ARM: tegra: fix mismerges of header file inclusions

Another mishandled merge conflict by me, where the header file renames
and the removal of gpio includes clashed and I chose the wrong end result.

Fixes build breakage for tegra_defconfig.

Signed-off-by: Olof Johansson <olof@lixom.net>

drivers/mmc/host/sdhci-tegra.c

@@ -27,7 +27,6 @@
 
 #include <asm/gpio.h>
 
-#include <mach/gpio-tegra.h>
 #include <linux/platform_data/mmc-sdhci-tegra.h>
 
 #include "sdhci-pltfm.h"