PEL: Change IDs from int32 to uint32

Both PEL and OpenBMC event log IDs should be uint32s as that is how
their respective specifications define them.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I0031646e11624990d55048d1e6b3dd30303e7c3b
1 file changed