[source] kernel: allow subtarget specific KernelPackage

[LEDE Commits]

stintel pushed a commit to source.git, branch master:
https://git.lede-project.org/a93accd73dba6d56247a1076e62c612b31e4ebc3

commit a93accd73dba6d56247a1076e62c612b31e4ebc3
Author: Stijn Tintel <stijn at linux-ipv6.be>
AuthorDate: Wed Jan 4 02:45:36 2017 +0100

    kernel: allow subtarget specific KernelPackage
    
    Add a call to KernelPackage/$(1)/$(BOARD)/$(SUBTARGET) to the
    KernelPackage macro. This allows to add kernel packages for x86/64,
    without breaking x86. It's not possible to do this with BOARD, as
    BOARD=x86 for x86_64.
    
    Signed-off-by: Stijn Tintel <stijn at linux-ipv6.be>
---
 include/kernel.mk | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/kernel.mk b/include/kernel.mk
index 4e66c0c..2314ec7 100644
--- a/include/kernel.mk
+++ b/include/kernel.mk
@@ -155,6 +155,7 @@ define KernelPackage
   $(eval $(call KernelPackage/Defaults))
   $(eval $(call KernelPackage/$(1)))
   $(eval $(call KernelPackage/$(1)/$(BOARD)))
+  $(eval $(call KernelPackage/$(1)/$(BOARD)/$(if $(SUBTARGET),$(SUBTARGET),generic)))
 
   define Package/kmod-$(1)
     TITLE:=$(TITLE)
@@ -166,6 +167,7 @@ define KernelPackage
     PKGFLAGS:=$(PKGFLAGS)
     $(call KernelPackage/$(1))
     $(call KernelPackage/$(1)/$(BOARD))
+    $(call KernelPackage/$(1)/$(BOARD)/$(if $(SUBTARGET),$(SUBTARGET),generic))
   endef
 
   ifdef KernelPackage/$(1)/conffiles