microblaze: Remove unneded per cpu SYSCALL_SAVE variable

Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/arch/microblaze/include/asm/entry.h b/arch/microblaze/include/asm/entry.h
index 7f57e42..1019d88 100644
--- a/arch/microblaze/include/asm/entry.h
+++ b/arch/microblaze/include/asm/entry.h
@@ -29,7 +29,6 @@
 DECLARE_PER_CPU(unsigned int, ENTRY_SP); /* Saved SP on kernel entry */
 DECLARE_PER_CPU(unsigned int, R11_SAVE); /* Temp variable for entry */
 DECLARE_PER_CPU(unsigned int, CURRENT_SAVE); /* Saved current pointer */
-DECLARE_PER_CPU(unsigned int, SYSCALL_SAVE); /* Saved syscall number */
 # endif /* __ASSEMBLY__ */
 
 #endif /* _ASM_MICROBLAZE_ENTRY_H */