ptp: ptp_pch depends on x86_32

The ptp_pch driver is for a companion chip to the Intel Atom E600
series processors. These are 32-bit x86 processors so the driver is
only needed on X86_32.

Signed-off-by: Jean Delvare <[email protected]>
Cc: Richard Cochran <[email protected]>
Acked-by: Richard Cochran <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: jdelvare

drivers/ptp/Kconfig

@@ -74,7 +74,7 @@ config DP83640_PHY
 
 config PTP_1588_CLOCK_PCH
 	tristate "Intel PCH EG20T as PTP clock"
-	depends on X86 || COMPILE_TEST
+	depends on X86_32 || COMPILE_TEST
 	depends on HAS_IOMEM && NET
 	select PTP_1588_CLOCK
 	help