support/dependencies: Add hint for ArchLinux when host needs IA32 libs

Add hint about which package needs to be installed to provide IA32 libs
support for the host when it is needed.

Signed-off-by: Vadim Kochan <vadim4j@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

support/dependencies/dependencies.sh

@@ -231,6 +231,7 @@ if grep -q ^BR2_HOSTARCH_NEEDS_IA32_LIBS=y $BR2_CONFIG ; then
 		echo "libstdc++6:i386, and zlib1g:i386)."
 		echo "If you're running a RedHat/Fedora distribution, install the glibc.i686 and"
 		echo "zlib.i686 packages."
+		echo "If you're running an ArchLinux distribution, install lib32-glibc."
 		echo "For other distributions, refer to the documentation on how to install the 32 bits"
 		echo "compatibility libraries."
 		exit 1