illume-keyboards-shr: mark as having broken "make clean"

Set CLEANBROKEN as the Makefile has no "clean" target.

Signed-off-by: Bob Ham <bob.ham@collabora.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-efl/recipes-efl/e17/illume-keyboards-shr_git.bb

@@ -12,6 +12,8 @@ PR = "r5"
 LICENSE = "MIT & BSD"
 LIC_FILES_CHKSUM = "file://${WORKDIR}/LICENSE;md5=f523ab5986cc79b52a90d2ac3d5454a2"
 
+CLEANBROKEN = "1"
+
 PACKAGES = "\
 illume-keyboard-alpha \
 illume-keyboard-arabic \