soc/samsung/exynos5420/uart.c: Init new serial struct variables

The lb_serial structure had some new entries added, which were not being
filled in.

Fill in the values so they're not undefined.

Addresses coverity error 1354778 - Uninitialized scalar variable

Change-Id: Ia7ce07f6e4e058c91c2e063f3225497271ef93ff
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/17482
Tested-by: build bot (Jenkins)
Reviewed-by: Nico Huber <nico.h@gmx.de>

0 files changed, 0 insertions, 0 deletions