ARM: 6530/1: mmci: partially revert clock divisor code

I misread the datasheet as if bypass mode was not available at all
on the ux500's, I was wrong. It is there, the datasheet just
states that you should not have to use it.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

drivers/mmc/host/mmci.c

@@ -101,13 +101,7 @@ static void mmci_set_clkreg(struct mmci_host *host, unsigned int desired)
 
 	if (desired) {
 		if (desired >= host->mclk) {
-			/*
-			 * The ST clock divider does not like the bypass bit,
-			 * even though it's available. Instead the datasheet
-			 * recommends setting the divider to zero.
-			 */
-			if (!variant->st_clkdiv)
-				clk = MCI_CLK_BYPASS;
+			clk = MCI_CLK_BYPASS;
 			host->cclk = host->mclk;
 		} else if (variant->st_clkdiv) {
 			/*