dev: pmic: Use IPC Wrapper instead of SMD header

With GLink and SMD support, we now have the common functions
to talk to RPM in rpm-ipc.h

Change-Id: Ib8ac0b4a293082087adf6130d5df035caa9c4b32
diff --git a/dev/pmic/pm8x41/pm8x41.c b/dev/pmic/pm8x41/pm8x41.c
index 1784534..baf7b24 100644
--- a/dev/pmic/pm8x41/pm8x41.c
+++ b/dev/pmic/pm8x41/pm8x41.c
@@ -33,7 +33,7 @@
 #include <string.h>
 #include <pm8x41_hw.h>
 #include <pm8x41.h>
-#include <rpm-smd.h>
+#include <rpm-ipc.h>
 #include <regulator.h>
 #include <platform/timer.h>