Update ULL() macro and instances of ull to comply with MISRA

MISRA C-2012 Rule 7.3 violation: lowercase l shall not be used as literal suffixes.

This patch resolves this for the ULL() macro by using ULL suffix instead
of the ull suffix.

Change-Id: Ia8183c399e74677e676956e8653e82375d0e0a01
Signed-off-by: David Cunado <david.cunado@arm.com>
diff --git a/plat/arm/board/fvp/drivers/pwrc/fvp_pwrc.h b/plat/arm/board/fvp/drivers/pwrc/fvp_pwrc.h
index f5f2178..aa89679 100644
--- a/plat/arm/board/fvp/drivers/pwrc/fvp_pwrc.h
+++ b/plat/arm/board/fvp/drivers/pwrc/fvp_pwrc.h
@@ -14,7 +14,7 @@
 #define PWKUPR_OFF		0xc
 #define PSYSR_OFF		0x10
 
-#define PWKUPR_WEN		(1ull << 31)
+#define PWKUPR_WEN		(1ULL << 31)
 
 #define PSYSR_AFF_L2		(1 << 31)
 #define PSYSR_AFF_L1		(1 << 30)