of: address: Expand nonposted-mmio to non-Apple Silicon platforms

The nE memory attribute may be utilized by various implementations,
not limited to Apple Silicon platforms.

Drop the early CONFIG_ARCH_APPLE check.

Signed-off-by: Konrad Dybcio <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Rob Herring (Arm) <[e-mail]>

drivers/of/address.c

···
  *
  * Returns true if the "nonposted-mmio" property was found for
  * the device's bus.
- *
- * This is currently only enabled on builds that support Apple ARM devices, as
- * an optimization.
  */
 static bool of_mmio_is_nonposted(const struct device_node *np)
 {
-	if (!IS_ENABLED(CONFIG_ARCH_APPLE))
-		return false;
-
 	struct device_node *parent __free(device_node) = of_get_parent(np);
 	if (!parent)
 		return false;