tegra: remove IRDA pinmux synonym

IRDA is a synonym for UARTB in tegra pinmux, remove all usage of this
synonym and replace with UARTB to disambiguate.

Signed-off-by: Allen Martin <amartin@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/arch/arm/cpu/tegra20-common/pinmux.c b/arch/arm/cpu/tegra20-common/pinmux.c
index a2a0916..5ad2121 100644
--- a/arch/arm/cpu/tegra20-common/pinmux.c
+++ b/arch/arm/cpu/tegra20-common/pinmux.c
@@ -390,7 +390,7 @@
 	PIN(UAA,  BB,    SPI3,   MIPI_HS, UARTA,    ULPI,        MIPI_HS),
 	PIN(UAB,  BB,    SPI2,   MIPI_HS, UARTA,    ULPI,        MIPI_HS),
 	PIN(UAC,  BB,    OWR,    RSVD,   RSVD,      RSVD,        RSVD4),
-	PIN(UAD,  UART,  IRDA,   SPDIF,  UARTA,     SPI4,        SPDIF),
+	PIN(UAD,  UART,  UARTB,  SPDIF,  UARTA,     SPI4,        SPDIF),
 	PIN(UCA,  UART,  UARTC,  RSVD,   GMI,       RSVD,        RSVD4),
 	PIN(UCB,  UART,  UARTC,  PWM,    GMI,       RSVD,        RSVD4),