xtensa: mmu: remove printing vaddr registers during exception

Turns out not all MMU enabled Xtensa cores have vaddrstatus,
vaddr0 and vaddr1. And there does not seem to be a way to
determine whether they are available. So remove them from
the exception printout for now.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
1 file changed