fix(morello): change the AP runtime UART address

SoC UART1 is internally connected to MCP UART1 so this
cannot be used as AP runtime UART instead we use the
IOFPGA UART0 as the AP runtime UART.

Signed-off-by: Chandni Cherukuri <chandni.cherukuri@arm.com>
Change-Id: Iecefb0d2cb875b3ecf97e0983b06f6e914835021
1 file changed