Use PROLOGUE macro to ensure correct function name for DYNAMIC_ARCH

kernel/power/icamax_power8.S

@@ -1,10 +1,16 @@
-	.file	"icamax.c"
+/*	.file	"icamax.c"
 	.abiversion 2
 	.section	".text"
 	.align 2
 	.p2align 4,,15
 	.globl icamax_k
 	.type	icamax_k, @function
+*/
+#define ASSEMBLER
+#include "common.h"
+
+	PROLOGUE
+
 icamax_k:
 .LCF0:
 0:	addis 2,12,.TOC.-.LCF0@ha

kernel/power/icamin_power8.S

@@ -1,10 +1,16 @@
-	.file	"icamin.c"
+/*	.file	"icamin.c"
 	.abiversion 2
 	.section	".text"
 	.align 2
 	.p2align 4,,15
 	.globl icamin_k
 	.type	icamin_k, @function
+*/
+#define ASSEMBLER
+#include "common.h"
+
+	PROLOGUE
+
 icamin_k:
 .LCF0:
 0:	addis 2,12,.TOC.-.LCF0@ha

kernel/power/isamax_power8.S

@@ -1,10 +1,17 @@
-	.file	"isamax.c"
+/*	.file	"isamax.c"
 	.abiversion 2
 	.section	".text"
 	.align 2
 	.p2align 4,,15
 	.globl isamax_k
 	.type	isamax_k, @function
+*/
+
+#define ASSEMBLER
+#include "common.h"
+
+	PROLOGUE
+
 isamax_k:
 .LCF0:
 0:	addis 2,12,.TOC.-.LCF0@ha

kernel/power/isamin_power8.S

@@ -1,10 +1,16 @@
-	.file	"isamin.c"
+/*	.file	"isamin.c"
 	.abiversion 2
 	.section	".text"
 	.align 2
 	.p2align 4,,15
 	.globl isamin_k
 	.type	isamin_k, @function
+*/
+#define ASSEMBLER
+#include "common.h"
+
+	PROLOGUE
+
 isamin_k:
 .LCF0:
 0:	addis 2,12,.TOC.-.LCF0@ha