Drop unused EXTERNAL_MRC_BLOB

The Kconfig variable EXTERNAL_MRC_BLOB is not used.
Drop it.

Change-Id: I3caa5c2b6bcf5d2c13b6987da8ab3987bad0e506
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/3829
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
diff --git a/src/mainboard/google/butterfly/Kconfig b/src/mainboard/google/butterfly/Kconfig
index be585c7..e9ad6ef 100644
--- a/src/mainboard/google/butterfly/Kconfig
+++ b/src/mainboard/google/butterfly/Kconfig
@@ -14,7 +14,6 @@
 	select HAVE_SMI_HANDLER
 	select GFXUMA
 	select CHROMEOS
-	select EXTERNAL_MRC_BLOB
 	select EARLY_CBMEM_INIT
 
 	# Workaround for EC/KBC IRQ1.
diff --git a/src/mainboard/google/link/Kconfig b/src/mainboard/google/link/Kconfig
index f62d690..b74c604 100644
--- a/src/mainboard/google/link/Kconfig
+++ b/src/mainboard/google/link/Kconfig
@@ -14,7 +14,6 @@
 	select HAVE_SMI_HANDLER
 	select GFXUMA
 	select CHROMEOS
-	select EXTERNAL_MRC_BLOB
 	select SERIRQ_CONTINUOUS_MODE
 	select MAINBOARD_HAS_NATIVE_VGA_INIT
 	select EARLY_CBMEM_INIT
diff --git a/src/mainboard/google/parrot/Kconfig b/src/mainboard/google/parrot/Kconfig
index dbdb5fa..191e856 100644
--- a/src/mainboard/google/parrot/Kconfig
+++ b/src/mainboard/google/parrot/Kconfig
@@ -14,7 +14,6 @@
 	select HAVE_SMI_HANDLER
 	select GFXUMA
 	select CHROMEOS
-	select EXTERNAL_MRC_BLOB
 	select EARLY_CBMEM_INIT
 
 	# Workaround for EC/KBC IRQ1.
diff --git a/src/mainboard/google/stout/Kconfig b/src/mainboard/google/stout/Kconfig
index a5b7962..a316277 100644
--- a/src/mainboard/google/stout/Kconfig
+++ b/src/mainboard/google/stout/Kconfig
@@ -14,7 +14,6 @@
 	select HAVE_SMI_HANDLER
 	select GFXUMA
 	select CHROMEOS
-	select EXTERNAL_MRC_BLOB
 
 config MAINBOARD_DIR
 	string
diff --git a/src/mainboard/intel/baskingridge/Kconfig b/src/mainboard/intel/baskingridge/Kconfig
index 163ccc9..cf4a901 100644
--- a/src/mainboard/intel/baskingridge/Kconfig
+++ b/src/mainboard/intel/baskingridge/Kconfig
@@ -12,7 +12,6 @@
 	select HAVE_ACPI_RESUME
 	select HAVE_SMI_HANDLER
 	select CHROMEOS
-	select EXTERNAL_MRC_BLOB
 
 config MAINBOARD_DIR
 	string
diff --git a/src/mainboard/intel/emeraldlake2/Kconfig b/src/mainboard/intel/emeraldlake2/Kconfig
index 786e9a8..fd98485 100644
--- a/src/mainboard/intel/emeraldlake2/Kconfig
+++ b/src/mainboard/intel/emeraldlake2/Kconfig
@@ -13,7 +13,6 @@
 	select HAVE_ACPI_RESUME
 	select GFXUMA
 	#select CHROMEOS
-	select EXTERNAL_MRC_BLOB
 	select EARLY_CBMEM_INIT
 
 config MAINBOARD_DIR
diff --git a/src/mainboard/intel/wtm2/Kconfig b/src/mainboard/intel/wtm2/Kconfig
index abfd168..dfee8ab 100644
--- a/src/mainboard/intel/wtm2/Kconfig
+++ b/src/mainboard/intel/wtm2/Kconfig
@@ -13,7 +13,6 @@
 	select HAVE_ACPI_RESUME
 	select HAVE_SMI_HANDLER
 	select CHROMEOS
-	select EXTERNAL_MRC_BLOB
 	select CACHE_ROM
 	select MARK_GRAPHICS_MEM_WRCOMB
 	select MAINBOARD_HAS_NATIVE_VGA_INIT
diff --git a/src/mainboard/kontron/ktqm77/Kconfig b/src/mainboard/kontron/ktqm77/Kconfig
index 97d8e5c..1665a25 100644
--- a/src/mainboard/kontron/ktqm77/Kconfig
+++ b/src/mainboard/kontron/ktqm77/Kconfig
@@ -14,7 +14,6 @@
 	select HAVE_ACPI_RESUME
 	select HAVE_SMI_HANDLER
 	select GFXUMA
-	select EXTERNAL_MRC_BLOB
 	select EARLY_CBMEM_INIT
 	select ENABLE_VMX
 	select HAVE_MRC
diff --git a/src/mainboard/samsung/lumpy/Kconfig b/src/mainboard/samsung/lumpy/Kconfig
index 1c18ec2..778ce71 100644
--- a/src/mainboard/samsung/lumpy/Kconfig
+++ b/src/mainboard/samsung/lumpy/Kconfig
@@ -7,7 +7,6 @@
 	select CHROMEOS
 	select CPU_INTEL_SOCKET_RPGA989
 	select EC_SMSC_MEC1308
-	select EXTERNAL_MRC_BLOB
 	select GFXUMA
 	select HAVE_ACPI_RESUME
 	select HAVE_ACPI_TABLES
diff --git a/src/mainboard/samsung/stumpy/Kconfig b/src/mainboard/samsung/stumpy/Kconfig
index f4df8a9..5300be5 100644
--- a/src/mainboard/samsung/stumpy/Kconfig
+++ b/src/mainboard/samsung/stumpy/Kconfig
@@ -6,7 +6,6 @@
 	select BOARD_ROMSIZE_KB_8192
 	select CHROMEOS
 	select CPU_INTEL_SOCKET_RPGA989
-	select EXTERNAL_MRC_BLOB
 	select GFXUMA
 	select HAVE_ACPI_RESUME
 	select HAVE_ACPI_TABLES
diff --git a/src/northbridge/intel/haswell/Kconfig b/src/northbridge/intel/haswell/Kconfig
index 72ea080..4b15c7b 100644
--- a/src/northbridge/intel/haswell/Kconfig
+++ b/src/northbridge/intel/haswell/Kconfig
@@ -35,10 +35,6 @@
 	string
 	default "8086,0166"
 
-config EXTERNAL_MRC_BLOB
-       bool
-       default n
-
 config CACHE_MRC_SIZE_KB
 	int
 	default 512
diff --git a/src/northbridge/intel/sandybridge/Kconfig b/src/northbridge/intel/sandybridge/Kconfig
index 59b6187..1834b71 100644
--- a/src/northbridge/intel/sandybridge/Kconfig
+++ b/src/northbridge/intel/sandybridge/Kconfig
@@ -72,10 +72,6 @@
 	string
 	default "8086,0166"
 
-config EXTERNAL_MRC_BLOB
-       bool
-       default n
-
 config CACHE_MRC_SIZE_KB
 	int
 	default 512