MSCC: Jaguar2 enable debug uart

Enable debug uart for Jaguar2 SoC family.
Signed-off-by: NHoratiu Vultur <horatiu.vultur@microchip.com>

board/mscc/jr2/jr2.c

@@ -64,6 +64,13 @@ static void vcoreiii_gpio_set_alternate(int gpio, int mode)
 	}
 }
 
+void board_debug_uart_init(void)
+{
+	/* too early for the pinctrl driver, so configure the UART pins here */
+	vcoreiii_gpio_set_alternate(10, 1);
+	vcoreiii_gpio_set_alternate(11, 1);
+}
+
 static void do_board_detect(void)
 {
 	int i;

configs/mscc_jr2_defconfig

@@ -56,3 +56,9 @@ CONFIG_SYS_NS16550=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_LZMA=y
+CONFIG_DEBUG_UART_BOARD_INIT=y
+CONFIG_DEBUG_UART_BASE=0x70100000
+CONFIG_DEBUG_UART_CLOCK=250000000
+CONFIG_DEBUG_UART=y
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_DEBUG_UART_ANNOUNCE=y