board: ti: x15: Add support for beagle_X15 revC

BeagleBoard X15 revC board is similar to X15 revB1 except
with a SR2.0 where revB1 uses a SR1.1. Add board detection
support for revC.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

board/ti/am57xx/board.c

@@ -37,6 +37,8 @@
 #define board_is_x15()		board_ti_is("BBRDX15_")
 #define board_is_x15_revb1()	(board_ti_is("BBRDX15_") && \
 				 !strncmp("B.10", board_ti_get_rev(), 3))
+#define board_is_x15_revc()	(board_ti_is("BBRDX15_") && \
+				 !strncmp("C.00", board_ti_get_rev(), 3))
 #define board_is_am572x_evm()	board_ti_is("AM572PM_")
 #define board_is_am572x_evm_reva3()	\
 				(board_ti_is("AM572PM_") && \
@@ -474,6 +476,8 @@ static void setup_board_eeprom_env(void)
 	if (board_is_x15()) {
 		if (board_is_x15_revb1())
 			name = "beagle_x15_revb1";
+		else if (board_is_x15_revc())
+			name = "beagle_x15_revc";
 		else
 			name = "beagle_x15";
 	} else if (board_is_am572x_evm()) {
@@ -683,7 +687,8 @@ void recalibrate_iodelay(void)
 
 	/* Now do the weird minor deltas that should be safe */
 	if (board_is_x15() || board_is_am572x_evm()) {
-		if (board_is_x15_revb1() || board_is_am572x_evm_reva3()) {
+		if (board_is_x15_revb1() || board_is_am572x_evm_reva3() ||
+		    board_is_x15_revc()) {
 			pconf = core_padconf_array_delta_x15_sr2_0;
 			pconf_sz = ARRAY_SIZE(core_padconf_array_delta_x15_sr2_0);
 		} else {