openmpacc: bump SRCREV to version 1.4.0.2
openmpacc: bump SRCREV to version 1.4.0.2

Signed-off-by: Hongmei Gou <1a0b1ad71d35a1b0887e5fe5c9a98c271fbce2cd@ti.com>

rcn-ee/meta-processor-sdk,rcn-ee/meta-processor-sdk,rcn-ee/meta-processor-sdk