rename some target scripts to be consistent with the rest

Rename Atmel target scripts which had wrong name ("at91" missing for ARM7 AT91SAM7..., "at" missing for AVR ATmega...)

Signed-off-by: Freddie Chopin <freddie_chopin@op.pl>

tcl/target/atmega128.cfg

@@ -0,0 +1,40 @@
+# for avr
+
+   set  _CHIPNAME avr
+   set  _ENDIAN little
+
+# jtag speed
+adapter_khz 4500
+
+reset_config  srst_only
+adapter_nsrst_delay 100
+
+#jtag scan chain
+if { [info exists CPUTAPID ] } {
+   set _CPUTAPID $CPUTAPID
+} else {
+   set _CPUTAPID 0x8970203F
+}
+jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
+
+set _TARGETNAME $_CHIPNAME.cpu
+target create $_TARGETNAME avr -endian $_ENDIAN -chain-position $_TARGETNAME
+
+#$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size 16384 -work-area-backup 0
+
+set _FLASHNAME $_CHIPNAME.flash
+flash bank $_FLASHNAME avr 0 0 0 0 $_TARGETNAME
+
+#to use it, script will be like:
+#init
+#adapter_khz 4500
+#reset init
+#verify_ircapture disable
+#
+#halt
+#wait halt
+#poll
+#avr mass_erase 0
+#flash write_image E:/Versaloon/Software/CAMERAPROTOCOLAGENT.hex
+#reset run
+#shutdown