ACPI: Remove CONFIG_GENERATE_ACPI_TABLES

As currently many systems would be barely functional without ACPI,
always generate ACPI tables if supported.

Change-Id: I372dbd03101030c904dab153552a1291f3b63518
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4609
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
diff --git a/src/southbridge/intel/i82371eb/Makefile.inc b/src/southbridge/intel/i82371eb/Makefile.inc
index 179ff8f..0aae455 100644
--- a/src/southbridge/intel/i82371eb/Makefile.inc
+++ b/src/southbridge/intel/i82371eb/Makefile.inc
@@ -24,8 +24,8 @@
 ramstage-y +=  usb.c
 ramstage-y +=  smbus.c
 ramstage-y +=  reset.c
-ramstage-$(CONFIG_GENERATE_ACPI_TABLES) += fadt.c
-ramstage-$(CONFIG_GENERATE_ACPI_TABLES) += acpi_tables.c
+ramstage-$(CONFIG_HAVE_ACPI_TABLES) += fadt.c
+ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpi_tables.c
 ramstage-$(CONFIG_HAVE_ACPI_RESUME) += wakeup.c
 
 romstage-y += early_pm.c