ARM: tegra: rename dummy XUSB padctl implementation

A future patch will soon move some of the XUSB padctl code into a common
file in arch/arm/mach-tegra. Rename the existing dummy XUSB padctl file
to avoid conflicting with that, or being confusing.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>

arch/arm/mach-tegra/Makefile

@@ -23,7 +23,7 @@ obj-y += clock.o
 obj-y += lowlevel_init.o
 obj-y += pinmux-common.o
 obj-y += powergate.o
-obj-y += xusb-padctl.o
+obj-y += xusb-padctl-dummy.o
 obj-$(CONFIG_DISPLAY_CPUINFO) += sys_info.o
 obj-$(CONFIG_TEGRA_GPU) += gpu.o
 obj-$(CONFIG_TEGRA_CLOCK_SCALING) += emc.o