ethtool: update tsinfo statistics attribute docs with correct type

nla_put_uint can either write a u32 or u64 netlink attribute value. The
size depends on whether the value can be represented with a u32 or requires
a u64. Use a uint annotation in various documentation to represent this.
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Link: https://lore.kernel.org/r/20240409232520.237613-2-rrameshbabu@nvidia.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

Documentation/networking/ethtool-netlink.rst

@@ -1254,9 +1254,9 @@ would be empty (no bit set).
 Additional hardware timestamping statistics response contents:
 
   =====================================  ======  ===================================
-  ``ETHTOOL_A_TS_STAT_TX_PKTS``          u64     Packets with Tx HW timestamps
-  ``ETHTOOL_A_TS_STAT_TX_LOST``          u64     Tx HW timestamp not arrived count
-  ``ETHTOOL_A_TS_STAT_TX_ERR``           u64     HW error request Tx timestamp count
+  ``ETHTOOL_A_TS_STAT_TX_PKTS``          uint    Packets with Tx HW timestamps
+  ``ETHTOOL_A_TS_STAT_TX_LOST``          uint    Tx HW timestamp not arrived count
+  ``ETHTOOL_A_TS_STAT_TX_ERR``           uint    HW error request Tx timestamp count
   =====================================  ======  ===================================
 
 CABLE_TEST

include/uapi/linux/ethtool_netlink.h

@@ -488,9 +488,9 @@ enum {
 enum {
 	ETHTOOL_A_TS_STAT_UNSPEC,
 
-	ETHTOOL_A_TS_STAT_TX_PKTS,			/* u64 */
-	ETHTOOL_A_TS_STAT_TX_LOST,			/* u64 */
-	ETHTOOL_A_TS_STAT_TX_ERR,			/* u64 */
+	ETHTOOL_A_TS_STAT_TX_PKTS,			/* uint */
+	ETHTOOL_A_TS_STAT_TX_LOST,			/* uint */
+	ETHTOOL_A_TS_STAT_TX_ERR,			/* uint */
 
 	/* add new constants above here */
 	__ETHTOOL_A_TS_STAT_CNT,