Revert "main/kmod: move to /usr"

This broke things, and the issue it tried to fix in the first place was
bogus. (https://gitlab.alpinelinux.org/alpine/aports/-/issues/16393)

fixes https://gitlab.alpinelinux.org/alpine/aports/-/issues/16410

This reverts commit 284844fae1.

main/kmod/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=kmod
 pkgver=32
-pkgrel=1
+pkgrel=3
 pkgdesc="Linux kernel module management utilities"
 url="http://git.kernel.org/?p=utils/kernel/kmod/kmod.git;a=summary"
 arch="all"
@@ -32,7 +32,9 @@ build() {
 		--build=$CBUILD \
 		--host=$CHOST \
 		--prefix=/usr \
+		--bindir=/bin \
 		--sysconfdir=/etc \
+		--with-rootlibdir=/lib \
 		--with-zlib \
 		--with-xz \
 		--with-zstd \
@@ -42,6 +44,11 @@ build() {
 
 package() {
 	make DESTDIR="$pkgdir" install
+	local i
+	mkdir -p "$pkgdir"/sbin
+	for i in lsmod rmmod insmod modinfo modprobe depmod; do
+		ln -sf ../bin/$i "$pkgdir"/sbin/$i
+	done
 }
 
 libs() {