configs/openblocks_a6_defconfig: bump linux kernel to 4.14.253
Fixes https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=88f7a6aa7fb9aa5076b65489146045dac865f1d3
To correct a build breakage after the move to a gcc 10.x based host
compiler, as the updated kernel contains a fix for:
HOSTLD scripts/dtc/dtc
/usr/bin/ld: scripts/dtc/dtc-parser.tab.o:(.bss+0x10): multiple definition of `yylloc'; scripts/dtc/dtc-lexer.lex.o:(.bss+0x0): first defined here
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=88f7a6aa7fb9aa5076b65489146045dac865f1d3
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Peter Korsgaard