doc: fix emulated device names in e1000 guide

[ upstream commit d2e5ab2 ]

The device name should be 82574L Gigabit Ethernet Controller.
The patch also remove a redundant "*".

Fixes: fc1f275 ("doc: programmers guide")

Signed-off-by: William Tu <u9012063@gmail.com>
Acked-by: Haiyue Wang <haiyue.wang@intel.com>

doc/guides/nics/e1000em.rst

@@ -8,9 +8,9 @@ The DPDK EM poll mode driver supports the following emulated devices:
 
 *   qemu-kvm emulated Intel® 82540EM Gigabit Ethernet Controller (qemu e1000 device)
 
-*   VMware* emulated Intel® 82545EM Gigabit Ethernet Controller
+*   VMware emulated Intel® 82545EM Gigabit Ethernet Controller
 
-*   VMware emulated Intel® 8274L Gigabit Ethernet Controller.
+*   VMware emulated Intel® 82574L Gigabit Ethernet Controller.
 
 Validated Hypervisors
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