ARM: dts: msm: fix number of gpio pins for msm krypton

The number of gpios for msm krypton is 90 pins but was previously set
to 89 which prevents access to gpio 89. This fixes that allowing access
to gpio 89.

Change-Id: Ie8b2aacbbcd6e75d81950ba874503e0896eab330
Signed-off-by: Krishna Konda <kkonda@codeaurora.org>