Renamed mx28_register to mx28_register_32 to prepare for mx28_register_8

This patch renames mx28_register to mx28_register_32 in order to
prepare for the introduction of an 8-bit register, mx28_register_8.

Signed-off-by: Robert Delien <robert@delien.nl>
Acked-by: Marek Vasut <marex@denx.de>
Tested-by: Marek Vasut <marex@denx.de>
diff --git a/arch/arm/cpu/arm926ejs/mx28/mx28.c b/arch/arm/cpu/arm926ejs/mx28/mx28.c
index b235091..9bfd83b 100644
--- a/arch/arm/cpu/arm926ejs/mx28/mx28.c
+++ b/arch/arm/cpu/arm926ejs/mx28/mx28.c
@@ -63,7 +63,7 @@
 		;
 }
 
-int mx28_wait_mask_set(struct mx28_register *reg, uint32_t mask, int timeout)
+int mx28_wait_mask_set(struct mx28_register_32 *reg, uint32_t mask, int timeout)
 {
 	while (--timeout) {
 		if ((readl(&reg->reg) & mask) == mask)
@@ -74,7 +74,7 @@
 	return !timeout;
 }
 
-int mx28_wait_mask_clr(struct mx28_register *reg, uint32_t mask, int timeout)
+int mx28_wait_mask_clr(struct mx28_register_32 *reg, uint32_t mask, int timeout)
 {
 	while (--timeout) {
 		if ((readl(&reg->reg) & mask) == 0)
@@ -85,7 +85,7 @@
 	return !timeout;
 }
 
-int mx28_reset_block(struct mx28_register *reg)
+int mx28_reset_block(struct mx28_register_32 *reg)
 {
 	/* Clear SFTRST */
 	writel(MX28_BLOCK_SFTRST, &reg->reg_clr);