support/scripts/check-host-rpath: also check HOST_DIR/{bin, sbin}

At least syslinux is installing stuff in HOST_DIR/sbin.

Cc: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

support/scripts/check-host-rpath

@@ -26,7 +26,7 @@ main() {
             printf "*** ERROR: package %s installs executables without proper RPATH:\n" "${pkg}"
         fi
         printf "***   %s\n" "${file}"
-    done < <( find "${hostdir}"/usr/{bin,sbin} -type f -exec file {} + 2>/dev/null \
+    done < <( find "${hostdir}"/{,usr/}{bin,sbin} -type f -exec file {} + 2>/dev/null \
               |sed -r -e '/^([^:]+):.*\<ELF\>.*\<executable\>.*/!d'                \
                       -e 's//\1/'                                                  \
             )