Add documentation for 'MAX_PHYSMEM_BITS' variable being added to
vmcoreinfo.
'MAX_PHYSMEM_BITS' defines the maximum supported physical address
space memory.
Cc: Boris Petkov
Cc: Ingo Molnar
Cc: Thomas Gleixner
Cc: James Morse
Cc: Will Deacon
Cc: Michael Ellerman
Cc: Paul Mackerras
Cc: Benj
Add documentation for 'MAX_PHYSMEM_BITS' variable being added to
vmcoreinfo.
'MAX_PHYSMEM_BITS' defines the maximum supported physical address
space memory.
Cc: Boris Petkov
Cc: Ingo Molnar
Cc: Thomas Gleixner
Cc: James Morse
Cc: Will Deacon
Cc: Michael Ellerman
Cc: Paul Mackerras
Cc: Benj
