libcamera: fix packaging and installation

libcamera checks if RPATH or RUNPATH dynamic tag is present in
libcamera.so. If it does, it assumes that libcamera binaries are
run directly from the build directory without installing them, and
tries to use resorces like IPA modules from the build directory.
Mainline meson strips RPATH/RUNPATH out from libcamera.so file
at install time. But openembedded-core patches meson to disable
RPATH/RUNPATH removal. That's why  we need to remove this tag manually
in do_install_append().

IPA module is signed (with openssl dgst) after it is built. But
during packaging the OE build system 1) splits out debugging info,
and 2) strips the binaries. So the IPA module so file installed
isn't the one which the signature was calculated against. Then
the signature check fails, and libcamera tries to run the IPA
module isolated (in a sandbox), which doesn't work if the IPA
module wasn't designed to run isolated. The solution is to
recalculate the IPA modules signatures in ${PKGD} after do_package().

Signed-off-by: Andrey Konovalov <andrey.konovalov@linaro.org>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

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