layerscape: use 1GHz CPU fequency for ls1012ardb

Used 1GHz CPU fequency for ls1012ardb instead of 800MHz.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>

package/firmware/layerscape/rcw/Makefile

@@ -43,7 +43,7 @@ endef
 
 define rcw/ls1012ardb
 	TITLE=RCW binary $(PKG_NAME)-$(PKG_VERSION) for NXP ls1012ardb 64b/32b Dev Board
-	CONFIG=ls1012ardb/R_SPNH_3508/PBL_0x35_0x08_800_250_1000_default.bin
+	CONFIG=ls1012ardb/R_SPNH_3508/PBL_0x35_0x08_1000_250_1000_default.bin
 endef
 
 define rcw/ls1088ardb