net: netconsole: Fix MODULE_AUTHOR format

Update the MODULE_AUTHOR for netconsole, according to the format, as
stated in module.h:

	use "Name <email>" or just "Name"

Suggested-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: David S. Miller <davem@davemloft.net>