u-boot: correct COPYING MD5SUM

(From OE-Core rev: d0dc2b5bb02ef55a41e7a97b6831c72391ae7f36)

Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-bsp/uboot/u-boot_git.bb

 require u-boot.inc
 
 LICENSE = "GPLv2+"
-LIC_FILES_CHKSUM = "file://COPYING;md5=1707d6db1d42237583f50183a5651ecb \
+LIC_FILES_CHKSUM = "file://COPYING;md5=4c6cde5df68eff615d36789dc18edd3b \
                     file://README;beginline=1;endline=22;md5=3a00ef51d3fc96e9d6c1bc4708ccd3b5"
 
 FILESDIR = "${@os.path.dirname(bb.data.getVar('FILE',d,1))}/u-boot-git/${MACHINE}"
 
 SRCREV = "v2010.12"
 PV = "v2010.12+${PR}+git${SRCPV}"
-PR="r1"
+PR="r2"
 
 SRC_URI = "git://git.denx.de/u-boot.git;branch=master;protocol=git"