drm/fourcc: fix Amlogic Video Framebuffer Compression macro

Fix the Amlogic Video Framebuffer Compression modifier macro to
correctly add the layout options, a pair of parenthesis was missing.

Fixes: d6528ec8 ("drm/fourcc: Add modifier definitions for describing Amlogic Video Framebuffer Compression")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200723090551.27529-1-narmstrong@baylibre.com

include/uapi/drm/drm_fourcc.h

@@ -1004,7 +1004,7 @@ drm_fourcc_canonicalize_nvidia_format_mod(__u64 modifier)
 #define DRM_FORMAT_MOD_AMLOGIC_FBC(__layout, __options) \
 	fourcc_mod_code(AMLOGIC, \
 			((__layout) & __fourcc_mod_amlogic_layout_mask) | \
-			((__options) & __fourcc_mod_amlogic_options_mask \
+			(((__options) & __fourcc_mod_amlogic_options_mask) \
 			 << __fourcc_mod_amlogic_options_shift))
 
 /* Amlogic FBC Layouts */