[OE-core] [PATCH] kernel.bbclass: Allow do_compile_kernelmodules to use PARALLEL_MAKE

[Richard Purdie]

Without this we don't take advantage of any configured multiple CPU
cores which seems a shame.

Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
index d0cc279..120a524 100644
--- a/meta/classes/kernel.bbclass
+++ b/meta/classes/kernel.bbclass
@@ -89,7 +89,7 @@ kernel_do_compile() {
 do_compile_kernelmodules() {
 	unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
 	if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
-		oe_runmake modules  CC="${KERNEL_CC}" LD="${KERNEL_LD}"
+		oe_runmake ${PARALLEL_MAKE} modules  CC="${KERNEL_CC}" LD="${KERNEL_LD}"
 	else
 		bbnote "no modules to compile"
 	fi