ACPI: fix build warnings resulting from merge window conflict

drivers/acpi/sysfs.c:154: warning: passing argument 1 of '__check_old_set_param' from incompatible pointer type
include/linux/moduleparam.h:165: note: expected 'int (*)(const char *, struct kernel_param *)' but argument is of type 'int (*)(const char *, const struct kernel_param *)'

Introduced by commit 1c8fce27 ("ACPI:
introduce drivers/acpi/sysfs.c") interacting with commit
9bbb9e5a ("param: use ops in struct
kernel_param, rather than get and set fns directly").

Use module_param_cb instead of the obsoleted module_param_call to fix a build warning.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>