It looks like a section directive was using "Solaris style" to declare
the section flags. Replace this with the GNU style so that Clang's
integrated assembler can assemble this directive.

The modified instances were identified via:
$ ag \.section | grep #

Link: https://ftp.gnu.org/old-gnu/Manuals/gas-2.9.1/html_chapter/as_7.html#SEC119
Link: https://github.com/ClangBuiltLinux/linux/issues/744
Link: https://bugs.llvm.org/show_bug.cgi?id=43759
Link: https://reviews.llvm.org/D69296Acked-by: NNicolas Pitre <nico@fluxnic.net>
Reviewed-by: NArd Biesheuvel <ardb@kernel.org>
Reviewed-by: NStefan Agner <stefan@agner.ch>
Signed-off-by: NNick Desaulniers <ndesaulniers@google.com>
Suggested-by: NFangrui Song <maskray@google.com>
Suggested-by: NJian Cai <jiancai@google.com>
Suggested-by: NPeter Smith <peter.smith@linaro.org>
Signed-off-by: NRussell King <rmk+kernel@armlinux.org.uk>