Move crypto modules

Move all the modules that constitute
the crypto library as well as the
associated headers to tf-psa-crypto/core
for the PSA core modules and to
tf-psa-crypto/drivers/builtin/src for
the others.

The common.h file is copied instead of
being just moved as eventually they
will be different in mbedtls and
TF-PSA-Crypto. Some parts of it can be
shared though but this will be done later,
probably when adding the CMake build
system in tf-psa-crypto.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>

library/.gitignore

@@ -6,6 +6,4 @@ libmbed*
 /error.c
 /version_features.c
 /ssl_debug_helpers_generated.c
-/psa_crypto_driver_wrappers.h
-/psa_crypto_driver_wrappers_no_static.c
 ###END_GENERATED_FILES###