UPSTREAM: Do not hash userspace addresses in fault handlers

The hashing of %p was designed to restrict kernel addresses. There is
no reason to hash the userspace values seen during a segfault report,
so switch these to %px. (Some architectures already use %lx.)

Fixes: ad67b74d2469d9b8 ("printk: hash addresses printed with %p")
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
(cherry picked from commit 10a7e9d849150a2879efc0b04d8a51068c9dd0c5)
Signed-off-by: Sandeep Patil <sspatil@android.com>

Bug: 78533979
Test: Build and boot cuttlefish
Change-Id: Ibd04bf839ec7c86884ad2366324bf9cd69d05f34