ARM: shmobile: r8a73a4: Rename cmt registration helper

Rename r8a7790_register_cmt() as r8a73a4_register_cmt() to
reflect name of the SoC in use. The use of r8a7790 appears
to be due to historical sharing of code from that SoC.
Shared code is no longer used.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/mach-shmobile/setup-r8a73a4.c

@@ -180,7 +180,7 @@ static struct resource cmt1_resources[] = {
 	DEFINE_RES_IRQ(gic_spi(120)),
 };
 
-#define r8a7790_register_cmt(idx)					\
+#define r8a73a4_register_cmt(idx)					\
 	platform_device_register_resndata(NULL, "sh-cmt-48-gen2",	\
 					  idx, cmt##idx##_resources,	\
 					  ARRAY_SIZE(cmt##idx##_resources), \
@@ -189,7 +189,7 @@ static struct resource cmt1_resources[] = {
 
 void __init r8a73a4_add_dt_devices(void)
 {
-	r8a7790_register_cmt(1);
+	r8a73a4_register_cmt(1);
 }
 
 /* DMA */