tegra: rename FUNCMUX_UART2_UARTB

FUNCMUX_ defines should be named after the pin groups they affect, not
after the module they're muxing onto those pin groups.

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

arch/arm/cpu/tegra-common/board.c

@@ -113,7 +113,7 @@ static int uart_configs[] = {
  #else
 	FUNCMUX_UART1_IRRX_IRTX,
 #endif
-	FUNCMUX_UART2_UARTB,
+	FUNCMUX_UART2_UAD,
 	-1,
 	FUNCMUX_UART4_GMC,
 	-1,

arch/arm/cpu/tegra20-common/funcmux.c

@@ -98,7 +98,7 @@ int funcmux_select(enum periph_id id, int config)
 		break;
 
 	case PERIPH_ID_UART2:
-		if (config == FUNCMUX_UART2_UARTB) {
+		if (config == FUNCMUX_UART2_UAD) {
 			pinmux_set_func(PINGRP_UAD, PMUX_FUNC_UARTB);
 			pinmux_tristate_disable(PINGRP_UAD);
 		}

arch/arm/include/asm/arch-tegra20/funcmux.h

@@ -35,7 +35,7 @@ enum {
 	FUNCMUX_UART1_UAA_UAB,
 	FUNCMUX_UART1_GPU,
 	FUNCMUX_UART1_SDIO1,
-	FUNCMUX_UART2_UARTB = 0,
+	FUNCMUX_UART2_UAD = 0,
 	FUNCMUX_UART4_GMC = 0,
 
 	/* I2C configs */