ARM: tegra: Remove unnecessary inclusion of flowctrl header

The Tegra flowctrl.h header is included unnecessarily by the Tegra
sleep.S source file. Remove this unnecessary inclusion.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm/mach-tegra/sleep.S

@@ -30,8 +30,6 @@
 #include <asm/hardware/cache-l2x0.h>
 
 #include "iomap.h"
-
-#include "flowctrl.h"
 #include "sleep.h"
 
 #define CLK_RESET_CCLK_BURST	0x20