msm8960: Do not ASSERT if uart_init fails.
msm8960: Do not ASSERT if uart_init fails.

Do not ASSERT if the uart initialisation fails. Print an error
and proceed with further boot.

Change-Id: Id5c6c04218eae9ce10ea048cf05d0bc9308e2621

M1cha/mi2_lk,utilite2/lk,pichina/lk,M1cha/mi2_lk,pichina/lk,pichina/lk,M1cha/mi2_lk,utilite2/lk,M1cha/mi2_lk,oubeichen/lk-v500,pichina/lk,oubeichen/lk-v500,oubeichen/lk-v500,utilite2/lk,pichina/lk,oubeichen/lk-v500,utilite2/lk,oubeichen/lk-v500,utilite2/lk,M1cha/mi2_lk