Revert "scsi: ib_srp: Call scsi_done() directly"

This reverts commit 7d499958 which is
commit 5f9ae9ee upstream.

It breaks the Android KABI and is not needed at this time for any
Android-relevant systems.

Bug: 161946584
Change-Id: I4fc8f2c46f9c0ab0da91134905ab549e39faf378
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>