ARM: dts: msm: Invert interrupt polarity for K61 on mdm9650 CV2X

Invert the interrupt to be on rising edge for K61 since
the polarity has been reversed on the MCU firmware.

Change-Id: Ibf75de531d8226731c8d49c39a36e559a155554b
Signed-off-by: Gustavo Solaira <gustavos@codeaurora.org>