nasm: Convert to BBCLASSEXTEND

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

meta/packages/nasm/nasm-native_0.98.38.bb

@@ -1,4 +0,0 @@
-SECTION = "unknown"
-require nasm_${PV}.bb
-S = "${WORKDIR}/nasm-${PV}"
-inherit native

meta/packages/nasm/nasm_0.98.38.bb

@@ -13,3 +13,6 @@ do_install() {
 
 	oe_runmake 'INSTALLROOT=${D}' install
 }
+
+BBCLASSEXTEND = "native"
+NATIVE_INSTALL_WORKS = "1"