eth: Update rmon hist range

The fbnic driver reports up-to 11 ranges resulting in the drop of the
last range. This patch increment the value of ETHTOOL_RMON_HIST_MAX to
address this limitation.

Signed-off-by: Mohsin Bashir <mohsin.bashr@gmail.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250610171109.1481229-2-mohsin.bashr@gmail.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>