msm: kgsl: Use the proper device when freeing IRQs

If probe fails, the GMU driver tries to free any
allocated IRQs. This will cause a warning because
the GMU device is being used to free the HFI IRQ.

CRs-Fixed: 2017390
Change-Id: I3b1ed4519330a399a9aef0d87581a7714fbd562f
Signed-off-by: Kyle Piefer <kpiefer@codeaurora.org>