usb: dwc3: qcom: Add helper functions to enable,disable wake irqs

[ Upstream commit 360e8230516de94d74d30c64f0cdcf228b8e8b67 ]

Adding helper functions to enable,disable wake irqs to make
the code simple and readable.

Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Pavankumar Kondeti <quic_pkondeti@quicinc.com>
Signed-off-by: Sandeep Maheswaram <quic_c_sanm@quicinc.com>
Signed-off-by: Krishna Kurapati <quic_kriskura@quicinc.com>
Link: https://lore.kernel.org/r/1655094654-24052-4-git-send-email-quic_kriskura@quicinc.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: d2d69354226d ("USB: dwc3: qcom: fix NULL-deref on suspend")
Signed-off-by: Sasha Levin <sashal@kernel.org>