tty: serial: msm_geni_serial: Configure the IO control registers

During handover from early console to regular console, configure the
IO control registers to avoid losing the console.

CRs-Fixed: 2124301
Change-Id: I73b7a41b77fcf37080c1eb7a69df3f76608700b3
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>