More build flag tweaks

Change-Id: I1d28b26fe2f1e9fbda8ddf5d04c7825a2e305c53
Remove Music and MusicFX

Change-Id: If5ab103b37f5f194b4c94babb1e4fb8a4cb1ffbb
kernel: Ignore errors with module building

Let kernel fully disable loadable modules

Conflicts:
	core/tasks/kernel.mk

Change-Id: If6769f9d8ee41a026e9c1472af0df3fec10808ff
CommitId: I0345bd16384b96ed4c5435cfdeb7a0018d2ea5eb