external-sourcery: add missing providers

external-sourcery: add missing providers

Addess the issue with multiple .bb providers

ERROR: Multiple .bb files are due to be built which each provide virtual/libc (/srv/hdd/releases/dylan/meta/recipes-core/eglibc/eglibc_2.17.bb /srv/hdd/releases/dylan/meta/recipes-core/meta/external-sourcery-toolchain.bb).
 This usually means one provides something the other doesn't and should.
ERROR: Multiple .bb files are due to be built which each provide virtual/arm-none-linux-gnueabi-libc-for-gcc (/srv/hdd/releases/dylan/meta/recipes-core/eglibc/eglibc_2.17.bb /srv/hdd/releases/dylan/meta/recipes-core/meta/external-sourcery-toolchain.bb).
 This usually means one provides something the other doesn't and should.
ERROR: Multiple .bb files are due to be built which each provide virtual/libiconv (/srv/hdd/releases/dylan/meta/recipes-core/eglibc/eglibc_2.17.bb /srv/hdd/releases/dylan/meta/recipes-core/meta/external-sourcery-toolchain.bb).
 This usually means one provides something the other doesn't and should.

Thanks to Kergoth (Chris Larson) and Lpapp (Lazslo)

[YOCTO #4908]

(From OE-Core rev: 09deeef20ee5a0c12ad4fd89cace6e0fb832d5b1)

Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>