ARM: dts: msm: 8974 Add missing GPIO

Due to missing GPIO entries form DT
file I2C is not functinal on BLSP11.
This patch adds these missing
GPIO numbers in DT file.

CRs-Fixed: 546702
Change-Id: I683b2c25b81a907d9f54ca8a44244fa96a89b4df
Signed-off-by: Sana Venkat Raju <c_vsana@codeaurora.org>