i2c: Re-enable piix4 driver on non-x86

loongarch and mips both support hardware that uses the i2c-piix4 driver.
It should not be restricted to x86, so drop the x86 dependency.

Reported-by: Geert Uytterhoeven <[email protected]>
Closes: https://lore.kernel.org/all/CAMuHMdVPQLjOox5sMp34Z5MTwKv2WOpHa=MpZr8hWG22fQKcjw@mail.gmail.com/
Fixes: 7e173eb ("i2c: piix4: Make CONFIG_I2C_PIIX4 dependent on CONFIG_X86").
Signed-off-by: Mario Limonciello <[email protected]>
Reviewed-by: Hans de Goede <[email protected]>
Acked-by: Andi Shyti <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Ilpo Järvinen <[email protected]>

Author: superm1

drivers/i2c/busses/Kconfig

@@ -200,7 +200,7 @@ config I2C_ISMT
 
 config I2C_PIIX4
 	tristate "Intel PIIX4 and compatible (ATI/AMD/Serverworks/Broadcom/SMSC)"
-	depends on PCI && HAS_IOPORT && X86
+	depends on PCI && HAS_IOPORT
 	select I2C_SMBUS
 	help
 	  If you say yes to this option, support will be included for the Intel