Dynamic cfg: MISRA fixes

Change-Id: I1d85b76af002b8b672fcaeca94939b7420bc8243
Signed-off-by: Soby Mathew <soby.mathew@arm.com>
diff --git a/plat/arm/common/arm_bl2_setup.c b/plat/arm/common/arm_bl2_setup.c
index 9a51012..7add61d 100644
--- a/plat/arm/common/arm_bl2_setup.c
+++ b/plat/arm/common/arm_bl2_setup.c
@@ -194,7 +194,7 @@
 	plat_arm_io_setup();
 
 #if LOAD_IMAGE_V2
-	if (tb_fw_config != 0)
+	if (tb_fw_config != 0U)
 		arm_bl2_set_tb_cfg_addr((void *)tb_fw_config);
 #endif
 }