[ARM] Fix BE find_*_bit operations

These broke when find_first_bit/find_next_bit was added.

arch/arm/lib/findbit.S

@@ -40,7 +40,7 @@ ENTRY(_find_first_zero_bit_le)
  */
 ENTRY(_find_next_zero_bit_le)
 		teq	r1, #0
-		beq	2b
+		beq	3b
 		ands	ip, r2, #7
 		beq	1b			@ If new byte, goto old routine
 		ldrb	r3, [r0, r2, lsr #3]
@@ -74,7 +74,7 @@ ENTRY(_find_first_bit_le)
  */
 ENTRY(_find_next_bit_le)
 		teq	r1, #0
-		beq	2b
+		beq	3b
 		ands	ip, r2, #7
 		beq	1b			@ If new byte, goto old routine
 		ldrb	r3, [r0, r2, lsr #3]
@@ -101,15 +101,18 @@ ENTRY(_find_first_zero_bit_be)
 		RETINSTR(mov,pc,lr)
 
 ENTRY(_find_next_zero_bit_be)
+		teq	r1, #0
+		beq	3b
 		ands	ip, r2, #7
 		beq	1b			@ If new byte, goto old routine
 		eor	r3, r2, #0x18		@ big endian byte ordering
 		ldrb	r3, [r0, r3, lsr #3]
 		eor	r3, r3, #0xff		@ now looking for a 1 bit
 		movs	r3, r3, lsr ip		@ shift off unused bits
-		orreq	r2, r2, #7		@ if zero, then no bits here
-		addeq	r2, r2, #1		@ align bit pointer
-		beq	2b			@ loop for next bit
+		bne	.found
+		orr	r2, r2, #7		@ if zero, then no bits here
+		add	r2, r2, #1		@ align bit pointer
+		b	2b			@ loop for next bit
 
 ENTRY(_find_first_bit_be)
 		teq	r1, #0
@@ -126,14 +129,17 @@ ENTRY(_find_first_bit_be)
 		RETINSTR(mov,pc,lr)
 
 ENTRY(_find_next_bit_be)
+		teq	r1, #0
+		beq	3b
 		ands	ip, r2, #7
 		beq	1b			@ If new byte, goto old routine
 		eor	r3, r2, #0x18		@ big endian byte ordering
 		ldrb	r3, [r0, r3, lsr #3]
 		movs	r3, r3, lsr ip		@ shift off unused bits
-		orreq	r2, r2, #7		@ if zero, then no bits here
-		addeq	r2, r2, #1		@ align bit pointer
-		beq	2b			@ loop for next bit
+		bne	.found
+		orr	r2, r2, #7		@ if zero, then no bits here
+		add	r2, r2, #1		@ align bit pointer
+		b	2b			@ loop for next bit
 
 #endif