ARM: tegra: Tegra20 pinmux cleanup

This renames all the Tegra20 pinmux pins and functions so they have a
prefix which matches the type name.

The entries in tegra20_pingroups[] are all updated to remove the columns
which are no longer used.

All affected code is updated to match.

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

board/avionic-design/common/tamonten.c

@@ -37,8 +37,8 @@ void pin_mux_mmc(void)
 {
 	funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT);
 	/* for write-protect GPIO PI6 */
-	pinmux_tristate_disable(PINGRP_ATA);
+	pinmux_tristate_disable(PMUX_PINGRP_ATA);
 	/* for CD GPIO PH2 */
-	pinmux_tristate_disable(PINGRP_ATD);
+	pinmux_tristate_disable(PMUX_PINGRP_ATD);
 }
 #endif