tegra: add UART1 on GPU funcmux entry

TrimSlice uses UART1 on the GPU pingroup.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/arch/arm/cpu/armv7/tegra2/funcmux.c b/arch/arm/cpu/armv7/tegra2/funcmux.c
index e2d1273..c279088 100644
--- a/arch/arm/cpu/armv7/tegra2/funcmux.c
+++ b/arch/arm/cpu/armv7/tegra2/funcmux.c
@@ -45,6 +45,11 @@
 			pinmux_tristate_disable(PINGRP_UAB);
 			bad_config = 0;
 			break;
+		case FUNCMUX_UART1_GPU:
+			pinmux_set_func(PINGRP_GPU, PMUX_FUNC_UARTA);
+			pinmux_tristate_disable(PINGRP_GPU);
+			bad_config = 0;
+			break;
 		}
 		if (!bad_config) {
 			/*