Fix boot loader self-update regression since 50ac1b7.

Oops, sorry! You will have to use ISP to update if you used anything
between 50ac1b7 and before this commit.

boot.inc

@@ -586,6 +586,7 @@ scmd_read_ee1:	rcall	boot_eeprom_rw		; Uses and increments byte address
 ; For chip erase, clear the flash before the boot loader and nuke the EEPROM.
 scmd_chip_erase:
 		rcall	boot_clear_flash	; Also clears r12:r13 for EEPROM address
+		nop
 		ldi	r24, low(EEPROMEND+1)
 		ldi	r25, high(EEPROMEND+1)
 		set
@@ -682,7 +683,6 @@ boot_clear_fl1:	sbiw	ZL, PAGESIZE
 		nop
 		nop
 		nop
-		nop
 
 		nop
 		nop