On most ABI files, the wildcards are used as <x>, instead of (x).

Replace it to make it using a more standard wildcard. That helps
get_abi.pl to convert it into a regex.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/d0713698c609410506f9e520fa879c0592a5e11d.1631782432.git.mchehab+huawei@kernel.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>