bcma: Fix typo in comments

Remove the repeated word "registers" in comments.
Signed-off-by: Shaomin Deng <dengshaomin@cdjrlc.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220811152043.11446-1-dengshaomin@cdjrlc.com

drivers/bcma/driver_mips.c

@@ -30,7 +30,7 @@ enum bcma_boot_dev {
 	BCMA_BOOT_DEV_NAND,
 };
 
-/* The 47162a0 hangs when reading MIPS DMP registers registers */
+/* The 47162a0 hangs when reading MIPS DMP registers */
 static inline bool bcma_core_mips_bcm47162a0_quirk(struct bcma_device *dev)
 {
 	return dev->bus->chipinfo.id == BCMA_CHIP_ID_BCM47162 &&