dummy-sdk-package: Add DUMMYPROVIDES_PACKAGES

We're about to need to use this variable in the main include file so
restructure the users of it to all set it appropriately.

(From OE-Core rev: a01bf79a35c908d6b072b984608114860b5c1e8f)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 4a247e7c961286cbed73b6dc0f4074ecf856402a)
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/meta/dummy-sdk-package.inc

@@ -17,6 +17,9 @@ ALLOW_EMPTY_${PN} = "1"
 
 PR[vardeps] += "DUMMYPROVIDES"
 
+DUMMYPROVIDES_PACKAGES ??= ""
+DUMMYPROVIDES += "${@' '.join([multilib_pkg_extend(d, pkg) for pkg in d.getVar('DUMMYPROVIDES_PACKAGES').split()])}"
+
 python populate_packages_prepend() {
     p = d.getVar("PN")
     d.appendVar("RPROVIDES_%s" % p, "${DUMMYPROVIDES}")

meta/recipes-core/meta/nativesdk-buildtools-perl-dummy.bb

@@ -1,6 +1,6 @@
 DUMMYARCH = "buildtools-dummy-${SDKPKGSUFFIX}"
 
-DUMMYPROVIDES = "\
+DUMMYPROVIDES_PACKAGES = "\
     nativesdk-perl \
     nativesdk-libxml-parser-perl \
     nativesdk-perl-module-bytes \
@@ -21,6 +21,9 @@ DUMMYPROVIDES = "\
     nativesdk-perl-module-posix \
     nativesdk-perl-module-thread-queue \
     nativesdk-perl-module-threads \
+"
+
+DUMMYPROVIDES = "\
     /usr/bin/perl \
     "
 

meta/recipes-core/meta/nativesdk-sdk-provides-dummy.bb

@@ -1,10 +1,13 @@
 DUMMYARCH = "sdk-provides-dummy-${SDKPKGSUFFIX}"
 
+DUMMYPROVIDES_PACKAGES = "\
+    pkgconfig \
+"
+
 # Add /bin/sh?
 DUMMYPROVIDES = "\
     /bin/bash \
     /usr/bin/env \
-    pkgconfig \
     libGL.so()(64bit) \
     libGL.so \
 "

meta/recipes-core/meta/target-sdk-provides-dummy.bb

@@ -48,7 +48,6 @@ DUMMYPROVIDES_PACKAGES = "\
 "
 
 DUMMYPROVIDES = "\
-    ${@' '.join([multilib_pkg_extend(d, pkg) for pkg in d.getVar('DUMMYPROVIDES_PACKAGES').split()])} \
     /bin/sh \
     /bin/bash \
     /usr/bin/env \