MAINTAINERS: update sound soc intel patterns

Commit 2106241a ("ASoC: Intel: create common folder and move common
files in") moved the files around.  Update the patterns.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Jie Yang <yang.jie@intel.com>
Acked-by: Jie Yang <yang.jie@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>