multimedia/libva-intel-media-driver: fix build warning

In file included from media_driver/linux/gen12/ddi/media_libva_caps_g12.cpp:38:
media_driver/linux/common/os/i915/include/mos_bufmgr_priv.h:351:9: warning: 'ALIGN' macro redefined [-Wmacro-redefined]
 #define ALIGN(value, alignment)    ((value + alignment - 1) & ~(alignment - 1))
         ^
/usr/include/machine/param.h:79:9: note: previous definition is here
 #define ALIGN(p)                _ALIGN(p)
         ^