fix(rmm): fix MISRA C:2012 Rule 10.4

Signed-off-by: AlexeiFedorov <Alexei.Fedorov@arm.com>
Change-Id: I03630ef02c8c294a552ad10523d9c78091ce161a
diff --git a/lib/allocator/include/memory_alloc.h b/lib/allocator/include/memory_alloc.h
index 28d0781..06f381a 100644
--- a/lib/allocator/include/memory_alloc.h
+++ b/lib/allocator/include/memory_alloc.h
@@ -11,11 +11,11 @@
 typedef struct memory_header_s memory_header_t;
 
 /* MbedTLS needs 8K of heap for attestation usecases */
-#define REC_HEAP_PAGES		2
+#define REC_HEAP_PAGES		2U
 #define REC_HEAP_SIZE		(REC_HEAP_PAGES * SZ_4K)
 
 /* Number of pages per REC for PMU state */
-#define REC_PMU_PAGES		1
+#define REC_PMU_PAGES		1U
 #define REC_PMU_SIZE		(REC_PMU_PAGES * SZ_4K)
 
 /*
@@ -27,11 +27,11 @@
  * Size of other status registers         :   32 bytes
  * Total size is ~3 Pages (rounded up to page size).
  */
-#define REC_SIMD_PAGES		3
+#define REC_SIMD_PAGES		3U
 #define REC_SIMD_SIZE		(REC_SIMD_PAGES * SZ_4K)
 
 /* Number of pages per REC for 'rec_attest_data' structure */
-#define REC_ATTEST_PAGES	1
+#define REC_ATTEST_PAGES	1U
 #define REC_ATTEST_SIZE		(REC_ATTEST_PAGES * SZ_4K)
 
 /* Number of pages per REC to be allocated */