SPM: Rename SP_COMMUNICATE macros

Rename SP_COMMUNICATE_AARCH32/AARCH64 into MM_COMMUNICATE_AARCH32/AARCH64
to align with the MM specification [1].

[1] http://infocenter.arm.com/help/topic/com.arm.doc.den0060a/DEN0060A_ARM_MM_Interface_Specification.pdf

Change-Id: I478aa4024ace7507d14a5d366aa8e20681075b03
Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>
diff --git a/include/services/spm_svc.h b/include/services/spm_svc.h
index 30e760b..738979e 100644
--- a/include/services/spm_svc.h
+++ b/include/services/spm_svc.h
@@ -59,8 +59,8 @@
 #define SP_VERSION_AARCH64		U(0xC4000040)
 #define SP_VERSION_AARCH32		U(0x84000040)
 
-#define SP_COMMUNICATE_AARCH64		U(0xC4000041)
-#define SP_COMMUNICATE_AARCH32		U(0x84000041)
+#define MM_COMMUNICATE_AARCH64		U(0xC4000041)
+#define MM_COMMUNICATE_AARCH32		U(0x84000041)
 
 /* SPM error codes. */
 #define SPM_SUCCESS		0