ARM: at91: remove non-generic boards

Remove board support for afeb9260, tny_a9260, and sbc35_a9g20.

They have not been converted into Generic Board yet.
See doc/README.generic-board for details.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Sergey Lapin <slapin@ossfans.org>
Cc: Albin Tonnerre <albin.tonnerre@free-electrons.com>
Cc: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 7dfa520..bbf4228 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -24,10 +24,6 @@
 	bool "Ethernut5 board"
 	select CPU_ARM926EJS
 
-config TARGET_TNY_A9260
-	bool "Caloa TNY A9260 board"
-	select CPU_ARM926EJS
-
 config TARGET_SNAPPER9260
 	bool "Support snapper9260"
 	select CPU_ARM926EJS
@@ -35,10 +31,6 @@
 	select DM_SERIAL
 	select DM_GPIO
 
-config TARGET_AFEB9260
-	bool "Support afeb9260"
-	select CPU_ARM926EJS
-
 config TARGET_AT91SAM9261EK
 	bool "Atmel at91sam9261 reference board"
 	select CPU_ARM926EJS
@@ -59,10 +51,6 @@
 	bool "Ronetix pm9263 board"
 	select CPU_ARM926EJS
 
-config TARGET_SBC35_A9G20
-	bool "Support sbc35_a9g20"
-	select CPU_ARM926EJS
-
 config TARGET_STAMP9G20
 	bool "Support stamp9g20"
 	select CPU_ARM926EJS
@@ -155,11 +143,8 @@
 source "board/atmel/sama5d4ek/Kconfig"
 source "board/BuS/eb_cpux9k2/Kconfig"
 source "board/eukrea/cpuat91/Kconfig"
-source "board/afeb9260/Kconfig"
 source "board/bluewater/snapper9260/Kconfig"
 source "board/BuS/vl_ma2sc/Kconfig"
-source "board/calao/sbc35_a9g20/Kconfig"
-source "board/calao/tny_a9260/Kconfig"
 source "board/calao/usb_a9263/Kconfig"
 source "board/egnite/ethernut5/Kconfig"
 source "board/esd/meesc/Kconfig"
diff --git a/arch/arm/mach-at91/arm926ejs/at91sam9260_devices.c b/arch/arm/mach-at91/arm926ejs/at91sam9260_devices.c
index efb53d6..5e0c0f5 100644
--- a/arch/arm/mach-at91/arm926ejs/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/arm926ejs/at91sam9260_devices.c
@@ -166,7 +166,7 @@
 	at91_set_b_periph(AT91_PIO_PORTA, 25, 0);	/* ERX2 */
 	at91_set_b_periph(AT91_PIO_PORTA, 26, 0);	/* ERX3 */
 	at91_set_b_periph(AT91_PIO_PORTA, 27, 0);	/* ERXCK */
-#if defined(CONFIG_AT91SAM9260EK) || defined(CONFIG_AFEB9260)
+#if defined(CONFIG_AT91SAM9260EK)
 	/*
 	 * use PA10, PA11 for ETX2, ETX3.
 	 * PA23 and PA24 are for TWI EEPROM