southbridge/intel/ibexpeak/me.c: Silence warns about unused func

Move some __SMM__ functions under the #if preprocessor condition to
avoid warnings about unused functions.

Change-Id: I7f6fbc6a577032bc4e4635d91e8e94aecb517bd3
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/6127
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
diff --git a/src/southbridge/intel/ibexpeak/me.c b/src/southbridge/intel/ibexpeak/me.c
index 3130631..99920f5 100644
--- a/src/southbridge/intel/ibexpeak/me.c
+++ b/src/southbridge/intel/ibexpeak/me.c
@@ -138,6 +138,7 @@
 	mei_write_dword_ptr(csr, MEI_H_CSR);
 }
 
+#ifdef __SMM__
 static inline void read_me_csr(struct mei_csr *csr)
 {
 	mei_read_dword_ptr(csr, MEI_ME_CSR_HA);
@@ -353,7 +354,6 @@
 	return 0;
 }
 
-#ifdef __SMM__
 /* Send END OF POST message to the ME */
 static int mkhi_end_of_post(void)
 {