tomoyo-tools: Define SBINDIR

default SBINDIR is hardcoded to /sbin which does not work when using
usrmerge

Signed-off-by: Khem Raj <raj.khem@gmail.com>
(cherry picked from commit 8c7ffffa07)
Signed-off-by: Armin Kuster <akuster808@gmail.com>

meta-oe/recipes-security/tomoyo-tools/tomoyo-tools_2.5.0.bb

@@ -26,5 +26,5 @@ do_compile () {
 }
 
 do_install() {
-    oe_runmake install INSTALLDIR=${D}
+    oe_runmake install SBINDIR=${base_sbindir} INSTALLDIR=${D}
 }