populate_sdk.bbclass/meta-toolchain: Made populate_sdk task more generic
Move the populate_sdk task out of meta-toolchain. Made it more generic
to support rpm/deb package format.
This commit is dependant on a series of commit:
2ea0406e4516fc59dff86cb4adc35c82cb774c2f
7ffa45b7cfea24dae1b51f40cfc807bf78b21b66
bf201a74c243942af3fcae6f174496bdd819dbc0
3d29933f2925efe8a84f10efdf50396031c33ae4
3d29933f2925efe8a84f10efdf50396031c33ae4
9c724dbf57e610a9e06bbdce38383dee3ac49281
Signed-off-by: Lianhao Lu <lianhao.lu@intel.com>