feat(versal): resolve the misra 10.1 warnings

MISRA Violation: MISRA-C:2012 R.10.1
-The operand to the operator does not have an essentially unsigned type.

Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@xilinx.com>
Change-Id: I9cde2f1ebceaad8a41c69489ef1d2e6f21f04ed1
diff --git a/plat/xilinx/versal/pm_service/pm_svc_main.c b/plat/xilinx/versal/pm_service/pm_svc_main.c
index f4d04b8..4b0f5e0 100644
--- a/plat/xilinx/versal/pm_service/pm_svc_main.c
+++ b/plat/xilinx/versal/pm_service/pm_svc_main.c
@@ -156,8 +156,8 @@
 		ret = pm_query_data(pm_arg[0], pm_arg[1], pm_arg[2],
 				      pm_arg[3], data, security_flag);
 
-		SMC_RET2(handle, (uint64_t)ret  | ((uint64_t)data[0] << 32),
-				 (uint64_t)data[1] | ((uint64_t)data[2] << 32));
+		SMC_RET2(handle, (uint64_t)ret  | ((uint64_t)data[0] << 32U),
+				 (uint64_t)data[1] | ((uint64_t)data[2] << 32U));
 	}
 
 	case PM_FEATURE_CHECK:
@@ -165,8 +165,8 @@
 		uint32_t result[PAYLOAD_ARG_CNT] = {0U};
 
 		ret = pm_feature_check(pm_arg[0], result, security_flag);
-		SMC_RET2(handle, (uint64_t)ret | ((uint64_t)result[0] << 32),
-			 (uint64_t)result[1] | ((uint64_t)result[2] << 32));
+		SMC_RET2(handle, (uint64_t)ret | ((uint64_t)result[0] << 32U),
+			 (uint64_t)result[1] | ((uint64_t)result[2] << 32U));
 	}
 
 	case PM_LOAD_PDI:
@@ -255,13 +255,13 @@
 
 		pm_get_callbackdata(result, ARRAY_SIZE(result), security_flag);
 		SMC_RET2(handle,
-			(uint64_t)result[0] | ((uint64_t)result[1] << 32),
-			(uint64_t)result[2] | ((uint64_t)result[3] << 32));
+			(uint64_t)result[0] | ((uint64_t)result[1] << 32U),
+			(uint64_t)result[2] | ((uint64_t)result[3] << 32U));
 	}
 
 	case PM_GET_TRUSTZONE_VERSION:
 		SMC_RET1(handle, (uint64_t)PM_RET_SUCCESS |
-			 ((uint64_t)VERSAL_TZ_VERSION << 32));
+			 ((uint64_t)VERSAL_TZ_VERSION << 32U));
 
 	default:
 		return (uintptr_t)0;