apr: upgrade 1.7.5 -> 1.7.6

apr: upgrade 1.7.5 -> 1.7.6

0001-Add-option-to-disable-timed-dependant-tests.patch
0001-configure-Remove-runtime-test-for-mmap-that-can-map-.patch
0002-apr-Remove-workdir-path-references-from-installed-ap.patch
0005-configure.in-fix-LTFLAGS-to-make-it-work-with-ccache.patch
refreshed for 1.7.6

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>