parisc: Mark lock_aligned variables 16-byte aligned on SMP

On parisc we need 16-byte alignment for variables which are used for
locking. Mark the __lock_aligned attribute acordingly so that the
.data..lock_aligned section will get that alignment in the generated
object files.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org   # v6.0+

arch/parisc/include/asm/ldcw.h

@@ -55,7 +55,7 @@
 })
 
 #ifdef CONFIG_SMP
-# define __lock_aligned __section(".data..lock_aligned")
+# define __lock_aligned __section(".data..lock_aligned") __aligned(16)
 #endif
 
 #endif /* __PARISC_LDCW_H */