USB: ehci-msm-hsic: Fix unbalanced IRQ wakeup disable warning

Fix driver remove function to call disable_irq_wake only if
it was enabled.

Change-Id: I6efc28fce0555955e8f4769885d5226f202a5592
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
1 file changed