arm: zynq: Enable debug console for zc770 xm011

Wire debug console which is useful for early debugging.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

configs/zynq_zc770_xm011_defconfig

@@ -5,6 +5,7 @@ CONFIG_IDENT_STRING=" Xilinx Zynq ZC770 XM011"
 CONFIG_SPL_STACK_R_ADDR=0x200000
 # CONFIG_SPL_FAT_SUPPORT is not set
 CONFIG_DEFAULT_DEVICE_TREE="zynq-zc770-xm011"
+CONFIG_DEBUG_UART=y
 CONFIG_FIT=y
 CONFIG_FIT_SIGNATURE=y
 CONFIG_FIT_VERBOSE=y
@@ -35,4 +36,8 @@ CONFIG_FPGA_XILINX=y
 CONFIG_NAND=y
 CONFIG_NAND_ZYNQ=y
 CONFIG_ZYNQ_GEM=y
+CONFIG_DEBUG_UART_ZYNQ=y
+CONFIG_DEBUG_UART_BASE=0xe0001000
+CONFIG_DEBUG_UART_CLOCK=50000000
+CONFIG_DEBUG_UART_ANNOUNCE=y
 CONFIG_ZYNQ_SERIAL=y