mmc: mediatek: make function msdc_cqe_disable() static

The sparse tool complains as follows:

drivers/mmc/host/mtk-sd.c:2269:6: warning:
 symbol 'msdc_cqe_disable' was not declared. Should it be static?

This function is not used outside of mtk-sd.c, so this commit
marks it static.

Fixes: 88bd652 ("mmc: mediatek: command queue support")
Reported-by: Hulk Robot <[email protected]>
Signed-off-by: Wei Yongjun <[email protected]>
Acked-by: Chun-Hung Wu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ulf Hansson <[email protected]>

Author: Wei Yongjun

drivers/mmc/host/mtk-sd.c

@@ -2266,7 +2266,7 @@ static void msdc_cqe_enable(struct mmc_host *mmc)
 	msdc_set_timeout(host, 1000000000ULL, 0);
 }
 
-void msdc_cqe_disable(struct mmc_host *mmc, bool recovery)
+static void msdc_cqe_disable(struct mmc_host *mmc, bool recovery)
 {
 	struct msdc_host *host = mmc_priv(mmc);