mainboard/intel/leafhill: Clean up

This patch tries to clean the code by:
o removing duplication of LPC GPIO pads
o removing incorrect definitions from devicetree
o removing irrelevant entries from FMD file

Also adds vital defaults in Kconfig so it is possible to build an image.

Change-Id: Id9913f3b053189166392271152ce5300d82a7de8
Signed-off-by: Andrey Petrov <andrey.petrov@intel.com>
Reviewed-on: https://review.coreboot.org/18479
Tested-by: build bot (Jenkins)
diff --git a/src/mainboard/intel/leafhill/leafhill.8192.fmd b/src/mainboard/intel/leafhill/leafhill.8192.fmd
new file mode 100644
index 0000000..3f4d21b
--- /dev/null
+++ b/src/mainboard/intel/leafhill/leafhill.8192.fmd
@@ -0,0 +1,14 @@
+FLASH 8M {
+	SI_DESC@0x0 0x1000
+	IFWI@0x1000 0x300000
+	FMAP@0x321000 0x800
+	COREBOOT(CBFS)@0x321800 0x300000
+	UNIFIED_MRC_CACHE@0x621800 0x21000 {
+		RECOVERY_MRC_CACHE@0x0 0x10000
+		RW_MRC_CACHE@0x10000 0x10000
+		RW_VAR_MRC_CACHE@0x20000 0x1000
+	}
+	BIOS_UNUSABLE@0x740000 0x40000
+	DEVICE_EXTENSION@0x780000 0x7f000
+	UNUSED_HOLE@0x7ff000 0x1000
+}