media: venus: Fix uninitialized variable count being checked for zero
In the case where plat->codecs is NULL the variable count is uninitialized
but is being checked to see if it is 0. Fix this by initializing
count to 0.
Fixes: e29929266be1 ("media: venus: Get codecs and capabilities from hfi platform") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>