Creating an SDK by means of do_populate_sdk, complementary packages
(SDKIMAGE_FEATURES = "dev-pkgs dbg-pkgs") are not installed when using
the deb packaging system.
The reason is that the call to install the complementary packages is missing
from the deb backend. This patch fixes that.
[YOCTO #7160]
(From OE-Core rev: 0bcca69ea97ac51acf290f8f1da1bde715ab51c4)
(From OE-Core rev: 6755935e58b0414870adb7c7abab1aa331596209)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>