msm_serial_hs_lite: Ignore break/error characters in RX queue

Disallow break/framing error characters from entering the
UARTDM RX queue, since this may stall the TX path and
prevent further console messages from being printed.

Change-Id: Ibe20d834978f78e64dcb6abb3d39499e8f8176c6
CRs-Fixed: 359256
Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
2 files changed