ARM: dts: msm: add ipa sps interrupt to MPM interrupt list for MSM8994

Add the IPA sps interrupt (irq 332) to the MPM interrupt list as it is
configured to wake-up APPS from suspend but should not block XO shutdown.

Change-Id: Icf8cf4566645cc78bd99b1959560a86dd8dfd268
Signed-off-by: Amir Vajid <avajid@codeaurora.org>