linux-atm: Add knob to root prefix

Fixes build with usrmerge

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-networking/recipes-support/linux-atm/linux-atm_2.5.2.bb

@@ -13,11 +13,11 @@ SRC_URI = "http://nchc.dl.sourceforge.net/project/${BPN}/${BPN}/${PV}/${BPN}-${P
            file://0003-mpoad-Drop-old-hack-to-compile-with-very-old-glibc.patch \
            file://0001-IFNAMSIZ-is-defined-in-net-if.h.patch \
            file://0001-saaldump-atmdump-Include-linux-sockios.h-for-SIOCGST.patch \
+           file://0001-make-Add-PREFIX-knob.patch \
 "
 
 SRC_URI:append:libc-musl = " file://musl-no-on_exit.patch"
 
-SRC_URI[md5sum] = "d49499368c3cf15f73a05d9bce8824a8"
 SRC_URI[sha256sum] = "9645481a2b16476b59220aa2d6bc5bc41043f291326c9b37581018fbd16dd53a"
 
 LIC_FILES_CHKSUM = "\
@@ -27,7 +27,6 @@ file://COPYING.LGPL;md5=6e29c688d912da12b66b73e32b03d812"
 
 inherit autotools pkgconfig
 
-# The firmware is explicitly put under /lib when installed.
-#
+EXTRA_OEMAKE += "ROOTPREFIX=${root_prefix}"
 
-FILES:${PN} += "/lib/firmware"
+FILES:${PN} += "${nonarch_base_libdir}/firmware"