Let SDK contain debug symbols

[oleflb]

The SDK should contain debug symbols to make profiling better.
The debug symbols should not be included in the image, since otherwise pepsi gammaray takes much longer.

This is how to include debug symbols in the SDK:

diff --git a/meta-hulks/conf/distro/HULKs-OS.conf b/meta-hulks/conf/distro/HULKs-OS.conf
index 3e23671..982a187 100644
--- a/meta-hulks/conf/distro/HULKs-OS.conf
+++ b/meta-hulks/conf/distro/HULKs-OS.conf
@@ -5,4 +5,3 @@ SUMMARY = "HULKs flavoured Nao"
 DISTRO = "HULKs-OS"
 DISTRO_NAME = "HULKs-OS"
 DISTRO_VERSION = "9.0.1"
-SDKIMAGE_FEATURES:remove = "dbg-pkgs src-pkgs"