Blackfin: push down asm/ includes and out of bfin-global.h

Avoid including unnecessary headers all the time as well as circular
includes with core requirements.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

arch/blackfin/include/asm/bfin-global.h

@@ -11,9 +11,6 @@
 
 #ifndef __ASSEMBLY__
 
-#include <asm/sections.h>
-#include <asm/ptrace.h>
-#include <asm/user.h>
 #include <linux/linkage.h>
 #include <linux/types.h>
 
@@ -35,6 +32,7 @@ extern unsigned long get_sclk(void);
 extern unsigned long sclk_to_usecs(unsigned long sclk);
 extern unsigned long usecs_to_sclk(unsigned long usecs);
 
+struct pt_regs;
 extern void dump_bfin_process(struct pt_regs *regs);
 extern void dump_bfin_mem(struct pt_regs *regs);
 extern void dump_bfin_trace_buffer(void);

arch/blackfin/include/asm/cacheflush.h

@@ -10,6 +10,7 @@
 #define _BLACKFIN_CACHEFLUSH_H
 
 #include <asm/blackfin.h>	/* for SSYNC() */
+#include <asm/sections.h>	/* for _ramend */
 
 extern void blackfin_icache_flush_range(unsigned long start_address, unsigned long end_address);
 extern void blackfin_dcache_flush_range(unsigned long start_address, unsigned long end_address);

arch/blackfin/include/asm/uaccess.h

@@ -17,9 +17,7 @@
 #include <linux/string.h>
 
 #include <asm/segment.h>
-#ifdef CONFIG_ACCESS_CHECK
-# include <asm/bfin-global.h>
-#endif
+#include <asm/sections.h>
 
 #define get_ds()        (KERNEL_DS)
 #define get_fs()        (current_thread_info()->addr_limit)

arch/blackfin/kernel/dma-mapping.c

@@ -17,6 +17,7 @@
 #include <linux/scatterlist.h>
 #include <asm/cacheflush.h>
 #include <asm/bfin-global.h>
+#include <asm/sections.h>
 
 static spinlock_t dma_page_lock;
 static unsigned long *dma_page;