msm: pcie: correct an error message in msm_pcie_destroy_irq

The function irq_get_chip_data may return NULL. This change
corrects the error message to not use the device that is
returned from irq_get_chip_data.

Change-Id: I42950140d0b5f98aacc561aa7a15017439e15460
Signed-off-by: Tony Truong <truong@codeaurora.org>