clocksource/drivers/arm_arch_timer: Mark hisi_161010101_oem_info const

This isn't modified at runtime. Mark it const so it can move to
read-only data.

Cc: dann frazier <[e-mail]>
Cc: Hanjun Guo <[e-mail]>
Cc: Marc Zyngier <[e-mail]>
Cc: Mark Rutland <[e-mail]>
Signed-off-by: Stephen Boyd <[e-mail]>
Reviewed-by: Hanjun Guo <[e-mail]>
Signed-off-by: Daniel Lezcano <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

drivers/clocksource/arm_arch_timer.c

···
 	return __hisi_161010101_read_reg(cntvct_el0);
 }
 
-static struct ate_acpi_oem_info hisi_161010101_oem_info[] = {
+static const struct ate_acpi_oem_info hisi_161010101_oem_info[] = {
 	/*
 	 * Note that trailing spaces are required to properly match
 	 * the OEM table information.