Convert CONFIG_PEN_ADDR_BIG_ENDIAN to Kconfig

This converts the following to Kconfig:
   CONFIG_PEN_ADDR_BIG_ENDIAN

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/cpu/armv7/ls102xa/Kconfig b/arch/arm/cpu/armv7/ls102xa/Kconfig
index 7e138e0..a83eb7e 100644
--- a/arch/arm/cpu/armv7/ls102xa/Kconfig
+++ b/arch/arm/cpu/armv7/ls102xa/Kconfig
@@ -51,6 +51,9 @@
 	  cores, count the reserved ports. This will allocate enough memory
 	  in spin table to properly handle all cores.
 
+config PEN_ADDR_BIG_ENDIAN
+	bool
+
 config SYS_CCI400_OFFSET
 	hex "Offset for CCI400 base"
 	depends on SYS_FSL_HAS_CCI400