Proper file extensions help 'copyright header checker' find files
that should contain copyright info. Extensions also clearly indicate
file type, and help to fit in with the file naming convention.
Signed-off-by: Rafal Stefanowski <rafal.stefanowski@intel.com>
Use dedicated 'pgprot_t' type instead of 'struct pgprot'
which is only defined for x86 architecture.
Signed-off-by: Rafal Stefanowski <rafal.stefanowski@intel.com>
