hw-breakpoint: Move asm-generic/hw_breakpoint.h to linux/hw_breakpoint.h

We plan to make the breakpoints parameters generic among architectures.
For that it's better to move the asm-generic header to a generic linux
header.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
diff --git a/arch/x86/include/asm/hw_breakpoint.h b/arch/x86/include/asm/hw_breakpoint.h
index 1acb4d4..3cfca8e 100644
--- a/arch/x86/include/asm/hw_breakpoint.h
+++ b/arch/x86/include/asm/hw_breakpoint.h
@@ -12,7 +12,7 @@
 };
 
 #include <linux/kdebug.h>
-#include <asm-generic/hw_breakpoint.h>
+#include <linux/hw_breakpoint.h>
 
 /* Available HW breakpoint length encodings */
 #define HW_BREAKPOINT_LEN_1		0x40