Update delay.h in bootloaders/atmega8/ATmegaBOOT.c

[leres]

avr/delay.h was deprecated with avr-libc 1.4.0 (in December 2007!); here's a patch to fix bootloaders/atmega8/ATmegaBOOT.c.

patch-bootloaders-atmega8-ATmegaBOOT.c

[cmaglie]

Fixed. Thanks.