platform: msm_shared: Fix USB hang issue

Existing driver does not handle CLEAR_FEATURE request
from host, due to this the USB transactions hang as host
is expecting device to perform the CLEAR_FEATURE on requested
end point. Add support to handle End point CLEAR FEATURE.

CRs-Fixed: 600178
Change-Id: I269bf074a294bc30dac70a880e8c4c30038f8e88
2 files changed