lspci: add page

pages/linux/lspci.md

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+# lspci
+
+> List all PCI devices.
+
+- Show a brief list of devices:
+
+`lspci`
+
+- Display additional info:
+
+`lspci -v`
+
+- Display drivers and modules handling each device:
+
+`lspci -k`
+
+- Show a specific device: 
+
+`lspci -s {{bus:device.func}}`
+
+- Dump info in readable form:
+
+`lspci -vm`