[osk5912] remove this old platform and target

Thanks for the years of service osk5912, we'll miss ya.

target/osk5912/init.c

@@ -1,33 +0,0 @@
-/*
- * Copyright (c) 2008 Travis Geiselbrecht
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-#include <err.h>
-#include <debug.h>
-#include <target.h>
-#include <compiler.h>
-#include <dev/net/smc91c96.h>
-
-void target_init(void)
-{
-	smc91c96_init();
-}
-

target/osk5912/rules.mk

@@ -1,20 +0,0 @@
-LOCAL_DIR := $(GET_LOCAL_DIR)
-
-MODULE := $(LOCAL_DIR)
-
-PLATFORM := omap5912
-
-MODULE_DEPS += \
-	dev/net/smc91c96
-
-MODULE_SRCS += \
-	$(LOCAL_DIR)/init.c
-
-MEMSIZE := 0x02000000	# 32MB
-
-GLOBAL_DEFINES += \
-	SDRAM_SIZE=$(MEMSIZE) \
-	SMC91C96_BASE_ADDR=0x04800300 \
-	SMC91C96_IRQ=0
-
-include make/module.mk