Fix glibc dependency to gcc-intermediate

In commit ebc81933, we reverted 2babed4a, but meanwhile eglibc/ was
renamed glibc/ so rules eglibc-build must be renamed glibc-build to
correctly work.

Signed-off-by: Jérôme Pouiller <jezz@sysmic.org>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/glibc/glibc.mk

@@ -29,7 +29,7 @@ GLIBC_DEPENDENCIES += host-gawk
 endif
 
 # Before (e)glibc is built, we must have the second stage cross-compiler
-eglibc-build: host-gcc-intermediate
+glibc-build: host-gcc-intermediate
 
 GLIBC_SUBDIR = build