scripts/misc-check: update export checks for EXPORT_SYMBOL_FOR_MODULES()

scripts/misc-check: update export checks for EXPORT_SYMBOL_FOR_MODULES()

The module export checks are looking for EXPORT_SYMBOL_GPL_FOR_MODULES()
which was renamed to EXPORT_SYMBOL_FOR_MODULES(). Update the checks.

Fixes: 6d3c3ca4c77e ("module: Rename EXPORT_SYMBOL_GPL_FOR_MODULES to EXPORT_SYMBOL_FOR_MODULES")
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Daniel Gomez <da.gomez@samsung.com>
Reviewed-by: Nicolas Schier <nsc@kernel.org>
Link: https://lore.kernel.org/r/20250825-export_modules_fix-v1-1-5c331e949538@suse.cz
Signed-off-by: Nathan Chancellor <nathan@kernel.org>