board: ti: am574x-idk: Update pinmux using latest PMT

Update the board pinmux for AM574x-IDK board using latest PMT[1] and the
board files named am574x_idk_v1p3b_sr2p0 that were auto generated on
13th October, 2017 by "Ahmad Rashed <a-rashed@ti.com>".

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
diff --git a/board/ti/am57xx/board.c b/board/ti/am57xx/board.c
index 1377c7b..8862ee9 100644
--- a/board/ti/am57xx/board.c
+++ b/board/ti/am57xx/board.c
@@ -731,11 +731,16 @@
 	int pconf_sz, iod_sz, delta_iod_sz = 0;
 	int ret;
 
-	if (board_is_am572x_idk() || board_is_am574x_idk()) {
+	if (board_is_am572x_idk()) {
 		pconf = core_padconf_array_essential_am572x_idk;
 		pconf_sz = ARRAY_SIZE(core_padconf_array_essential_am572x_idk);
 		iod = iodelay_cfg_array_am572x_idk;
 		iod_sz = ARRAY_SIZE(iodelay_cfg_array_am572x_idk);
+	} else if (board_is_am574x_idk()) {
+		pconf = core_padconf_array_essential_am574x_idk;
+		pconf_sz = ARRAY_SIZE(core_padconf_array_essential_am574x_idk);
+		iod = iodelay_cfg_array_am574x_idk;
+		iod_sz = ARRAY_SIZE(iodelay_cfg_array_am574x_idk);
 	} else if (board_is_am571x_idk()) {
 		pconf = core_padconf_array_essential_am571x_idk;
 		pconf_sz = ARRAY_SIZE(core_padconf_array_essential_am571x_idk);