[PATCH 6.1 0/1] arm64: esr: Define ESR_ELx_EC_* constants as UL

[Anastasia Belova]

Incorrect casting is possible in 6.1 stable release using ESR_ELx_EC_*
constants.

The problem has been fixed by the following upstream patch that was adapted
to 6.1. The patch couldn't be applied clearly but the changes made are 
minor.

Found by Linux Verification Center (linuxtesting.org) with SVACE.