ARM: mmc: bcm283x: Remove get_timer_us() from mmc driver

The get_timer_us() function is something which is no longer
existing in case we use generic timer framework, so replace
it with get_timer().

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Tyler Baker <tyler.baker@linaro.org>

drivers/mmc/bcm2835_sdhci.c

@@ -69,11 +69,11 @@ static inline void bcm2835_sdhci_raw_writel(struct sdhci_host *host, u32 val,
 	 * (Which is just as well - otherwise we'd have to nobble the DMA engine
 	 * too)
 	 */
-	while (get_timer_us(bcm_host->last_write) < bcm_host->twoticks_delay)
+	while (get_timer(bcm_host->last_write) < bcm_host->twoticks_delay)
 		;
 
 	writel(val, host->ioaddr + reg);
-	bcm_host->last_write = get_timer_us(0);
+	bcm_host->last_write = get_timer(0);
 }
 
 static inline u32 bcm2835_sdhci_raw_readl(struct sdhci_host *host, int reg)