video: driver: Add support for non-secure pix context bank

- Add support for a new non-secure pix context bank.
- Remove usage of deprecated 'buffer-types' in context banks.

Change-Id: I3a21eb8ce1d9aff277568d54aadb54193ad0ce75
Signed-off-by: Mihir Ganu <mganu@codeaurora.org>

driver/vidc/inc/msm_vidc_dt.h

@@ -104,7 +104,6 @@ struct addr_set {
 struct context_bank_info {
 	struct list_head list;
 	const char *name;
-	u32 buffer_type;
 	bool is_secure;
 	struct addr_range addr_range;
 	struct device *dev;