ext-toolchain: fix wrapper for gcc-ar, gcc-nm, gcc-ranlib

ext-toolchain: fix wrapper for gcc-ar, gcc-nm, gcc-ranlib

The pattern '*-*cc-*' incorrectly matches these tools because their names
contain 'cc-'. This causes them to receive compiler CFLAGS, breaking
builds with 'ar: two different operation options specified'.

Signed-off-by: Gustavo Henrique Nihei <gustavo.nihei@espressif.com>
Link: https://github.com/openwrt/openwrt/pull/21757
Signed-off-by: Robert Marko <robimarko@gmail.com>
(cherry picked from commit 435917735ab8a9ba23300dda77aaace13fc16d96)
Signed-off-by: Gustavo Henrique Nihei <gustavo.nihei@espressif.com>
Link: https://github.com/openwrt/openwrt/pull/21899
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>