[brcm-2.4] move the mii_ioctl to generic patches, fixes (#1802)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15045 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/brcm-2.4/patches/120-mii_ioctl.patch b/target/linux/generic-2.4/patches/803-mii_ioctl.patch
similarity index 100%
rename from target/linux/brcm-2.4/patches/120-mii_ioctl.patch
rename to target/linux/generic-2.4/patches/803-mii_ioctl.patch