tools: kwbimage: Fix dumping DATA registers for v0 images
End of DATA register section is indicated by zero value in both raddr and
rdata.
So do not stop dumping registers with non-zero address and zero value.
And also print end of DATA registers section.
Fixes:
1a8e6b63e24f ("tools: kwbimage: Dump kwbimage config file on '-p -1' option")
Signed-off-by: Pali Rohár <pali@kernel.org>
Reported-by: Tony Dinh <mibodhi@gmail.com>
Tested-by: Tony Dinh <mibodhi@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>