powerpc: Bump COMMAND_LINE_SIZE to 2048
I've had a report that the current limit is too small for
an automated network based installer. Bump it.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
authored by Anton Blanchard and committed by Benjamin Herrenschmidt a5980d06 a2dd5da7