kirkwood: drop support for orphaned boards

No image build code for the Guruplug, Sheevaplug and NSA310S exists. Drop
support for the boards for now.

Signed-off-by: Mathias Kresin <dev@kresin.me>

package/boot/uboot-envtools/files/kirkwood

@@ -14,14 +14,11 @@ board=$(board_name)
 
 case "$board" in
 dockstar|\
-guruplug-server-plus|\
 ib62x0|\
 linksys-viper|\
 nsa310b|\
 nsa325|\
-pogo_e02|\
-sheevaplug|\
-sheevaplug-esata)
+pogo_e02)
 	ubootenv_add_uci_config "/dev/mtd1" "0x0" "0x20000" "0x20000"
 	;;
 linksys-audi)

package/boot/uboot-kirkwood/Makefile

@@ -64,10 +64,6 @@ define U-Boot/pogo_e02_second_stage
   NAME:=Cloud Engines Pogoplug E02 (second stage)
 endef
 
-define U-Boot/sheevaplug
-  NAME:=SheevaPlug
-endef
-
 UBOOT_TARGETS := \
 	dockstar dockstar_second_stage \
 	goflexhome \
@@ -75,8 +71,7 @@ UBOOT_TARGETS := \
 	iconnect iconnect_second_stage \
 	nsa310 \
 	nsa325 \
-	pogo_e02 pogo_e02_second_stage \
-	sheevaplug
+	pogo_e02 pogo_e02_second_stage
 
 define Build/Configure
 	$(if $(findstring _second_stage,$(BUILD_VARIANT)),

package/boot/uboot-kirkwood/patches/200-openwrt-config.patch

@@ -78,15 +78,6 @@
 +#include "openwrt-kirkwood-common.h"
 +
  #endif /* _CONFIG_POGO_E02_H */
---- a/include/configs/sheevaplug.h
-+++ b/include/configs/sheevaplug.h
-@@ -96,4 +96,6 @@
- #define CONFIG_SYS_ATA_IDE1_OFFSET	MV_SATA_PORT1_OFFSET
- #endif /* CONFIG_IDE */
- 
-+#include "openwrt-kirkwood-common.h"
-+
- #endif /* _CONFIG_SHEEVAPLUG_H */
 --- a/include/configs/goflexhome.h
 +++ b/include/configs/goflexhome.h
 @@ -105,4 +105,6 @@
@@ -175,15 +166,3 @@
 +CONFIG_FIT_VERBOSE=y
 +CONFIG_LZMA=y
 +CONFIG_LZO=y
---- a/configs/sheevaplug_defconfig
-+++ b/configs/sheevaplug_defconfig
-@@ -28,5 +28,8 @@ CONFIG_SYS_NS16550=y
- CONFIG_USB=y
- CONFIG_USB_EHCI_HCD=y
- CONFIG_USB_STORAGE=y
--CONFIG_LZMA=y
- CONFIG_OF_LIBFDT=y
-+CONFIG_FIT=y
-+CONFIG_FIT_VERBOSE=y
-+CONFIG_LZMA=y
-+CONFIG_LZO=y