soc/intel/baytrail: Retype some pointers

This reduces the differences between Bay Trail and Braswell.

Tested with BUILD_TIMELESS=1, Google Ninja remains identical.

Change-Id: Ia21b588a3ce07e33a7a8d36e1464c0ff5e456c3e
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43187
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/intel/baytrail/bootblock/bootblock.c b/src/soc/intel/baytrail/bootblock/bootblock.c
index 0f3980c..62f42cd 100644
--- a/src/soc/intel/baytrail/bootblock/bootblock.c
+++ b/src/soc/intel/baytrail/bootblock/bootblock.c
@@ -58,8 +58,8 @@
 
 static void spi_init(void)
 {
-	u32 *scs = (u32 *)(SPI_BASE_ADDRESS + SCS);
-	u32 *bcr = (u32 *)(SPI_BASE_ADDRESS + BCR);
+	void *scs = (void *)(SPI_BASE_ADDRESS + SCS);
+	void *bcr = (void *)(SPI_BASE_ADDRESS + BCR);
 	uint32_t reg;
 
 	/* Disable generating SMI when setting WPD bit. */