arm: Remove unmaintained davinci boards

These boards have not been converted to generic board by the deadline.
Remove dm355evm, dm355leopard, dm365evm, dm6467evm, dvevm, ea20, schmoogie,
sffsdr, sonata.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index 681270d..4997b2c 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -18,36 +18,12 @@
 	bool "DA850 EVM board"
 	select SUPPORT_SPL
 
-config TARGET_OMAPL138_LCDK
-	bool "OMAPL138 LCDK"
-	select SUPPORT_SPL
-
-config TARGET_DAVINCI_DM355EVM
-	bool "DM355 EVM board"
-
-config TARGET_DAVINCI_DM355LEOPARD
-	bool "DM355 Leopard board"
-
-config TARGET_DAVINCI_DM365EVM
-	bool "DM365 EVM board"
-
-config TARGET_DAVINCI_DM6467EVM
-	bool "DM6467 EVM board"
-
-config TARGET_DAVINCI_DVEVM
-	bool "DVEVM board"
-
 config TARGET_EA20
 	bool "EA20 board"
 
-config TARGET_DAVINCI_SCHMOOGIE
-	bool "Schmoogie board"
-
-config TARGET_DAVINCI_SFFSDR
-	bool "SFFSDR board"
-
-config TARGET_DAVINCI_SONATA
-	bool "Sonata board"
+config TARGET_OMAPL138_LCDK
+	bool "OMAPL138 LCDK"
+	select SUPPORT_SPL
 
 config TARGET_CALIMAIN
 	bool "Calimain board"
@@ -60,15 +36,7 @@
 source "board/enbw/enbw_cmc/Kconfig"
 source "board/Barix/ipam390/Kconfig"
 source "board/davinci/da8xxevm/Kconfig"
-source "board/davinci/dm355evm/Kconfig"
-source "board/davinci/dm355leopard/Kconfig"
-source "board/davinci/dm365evm/Kconfig"
-source "board/davinci/dm6467evm/Kconfig"
-source "board/davinci/dvevm/Kconfig"
 source "board/davinci/ea20/Kconfig"
-source "board/davinci/schmoogie/Kconfig"
-source "board/davinci/sffsdr/Kconfig"
-source "board/davinci/sonata/Kconfig"
 source "board/omicron/calimain/Kconfig"
 
 endif