texinfo: Add perl to buildtools

texinfo asks for perl for building, so add it.

Signed-off-by: Adam Lackorzynski <adam@l4re.org>

Author: admlck

recipes/devel/texinfo.yaml

@@ -9,7 +9,7 @@ checkoutSCM:
     digestSHA1: "d39c2e35ddb0aff6ebdd323ce53729bd215534fa"
     stripComponents: 1
 
-buildTools: [host-toolchain]
+buildTools: [host-toolchain, perl]
 buildScript: |
     autotoolsBuild $1