target/generic: add isl as needed by cloog, needed for building gcc

Signed-off-by: Alejandro Mery <amery@geeks.cl>

target/generic/pkgsel/00-minimal.choice

@@ -60,11 +60,7 @@ X mmv
 X findutils
 X flex
 X gawk
-X gmp
-X mpfr
-X libmpc
 X ppl
-X cloog
 X gcc
 X gdb
 X gettext
@@ -127,14 +123,12 @@ X texinfo
 X time
 X tzdata
 X udev
-X unzip
 X util-linux
 X vim
 X vlock
 X wget
 X xfsprogs
 X xz
-X zip
 X zlib
 
 # Git, to let people get our source
@@ -170,3 +164,12 @@ X libgssglue
 X libevent
 # nfs-utils (NFS v4 and v4.1 support)
 X libnfsidmap
+
+# needed by gcc
+X cloog
+X gmp
+X isl
+X mpfr
+X libmpc
+X unzip
+X zip