coccinelle: Add missing (GE)NL_SET_ERR_MSG_* to strings ending with newline test

Add missing (GE)NL_SET_ERR_MSG_*() variants to the list of macros
checked for strings ending with a newline.

Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Link: https://patch.msgid.link/20250226093904.6632-2-gal@nvidia.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>