RISC-V: lib: minor asm cleanup

Fix tab/space conversion and use ENTRY/ENDPROC macros.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>

arch/riscv/lib/tishift.S

@@ -10,8 +10,10 @@
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *   GNU General Public License for more details.
  */
-  .globl __lshrti3
-__lshrti3:
+
+#include <linux/linkage.h>
+
+ENTRY(__lshrti3)
 	beqz	a2, .L1
 	li	a5,64
 	sub	a5,a5,a2
@@ -40,3 +42,4 @@ __lshrti3:
 	ld	a1,8(sp)
 	addi	sp,sp,16
 	ret
+ENDPROC(__lshrti3)

arch/riscv/lib/udivdi3.S

@@ -11,8 +11,9 @@
  *   GNU General Public License for more details.
  */
 
-  .globl __udivdi3
-__udivdi3:
+#include <linux/linkage.h>
+
+ENTRY(__udivdi3)
 	mv	a2, a1
 	mv	a1, a0
 	li	a0, -1
@@ -36,3 +37,4 @@ __udivdi3:
 	bnez	a3, .L3
 .L5:
 	ret
+ENDPROC(__udivdi3)