ARM: at91: stop using HAVE_AT91_DBGUx

In order to remove SOC_SAM9xxx options, stop using HAVE_AT91_DBGUx.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 3092052..575db67 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -118,19 +118,19 @@
 		bool "Kernel low-level debugging on rm9200, 9260/9g20, 9261/9g10, 9rl, 9x5, 9n12"
 		select DEBUG_AT91_UART
 		depends on ARCH_AT91
-		depends on HAVE_AT91_DBGU0
+		depends on SOC_AT91RM9200 || SOC_AT91SAM9
 
 	config AT91_DEBUG_LL_DBGU1
 		bool "Kernel low-level debugging on 9263, 9g45 and sama5d3"
 		select DEBUG_AT91_UART
 		depends on ARCH_AT91
-		depends on HAVE_AT91_DBGU1
+		depends on SOC_AT91SAM9 || SOC_SAMA5
 
 	config AT91_DEBUG_LL_DBGU2
 		bool "Kernel low-level debugging on sama5d4"
 		select DEBUG_AT91_UART
 		depends on ARCH_AT91
-		depends on HAVE_AT91_DBGU2
+		depends on SOC_SAMA5
 
 	config DEBUG_BCM2835
 		bool "Kernel low-level debugging on BCM2835 PL011 UART"