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.

Addresses-Coverity: ("Uninitialized scalar variable")

Fixes: e2992926 ("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>

drivers/media/platform/qcom/venus/hfi_parser.c

@@ -232,7 +232,7 @@ static int hfi_platform_parser(struct venus_core *core, struct venus_inst *inst)
 {
 	const struct hfi_platform *plat;
 	const struct hfi_plat_caps *caps = NULL;
-	u32 enc_codecs, dec_codecs, count;
+	u32 enc_codecs, dec_codecs, count = 0;
 	unsigned int entries;
 
 	if (inst)