snippets: Add snippet for P2P build options

Create snippet for P2P build.

Signed-off-by: Ravi Dondaputi <[email protected]>

Author: rado17

snippets/wifi-p2p/README.rst

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+.. _snippet-wifi-p2p:
+
+Wi-Fi P2P Snippet (wifi-p2p)
+##########################################
+
+.. code-block:: console
+
+   west build  -S wifi-p2p [...]
+
+Overview
+********
+
+This snippet enables Wi-Fi P2P support in supported networking samples.
+
+Requirements
+************
+
+Hardware support for:
+
+- :kconfig:option:`CONFIG_WIFI`
+- :kconfig:option:`CONFIG_WIFI_USE_NATIVE_NETWORKING`
+- :kconfig:option:`CONFIG_WIFI_NM_WPA_SUPPLICANT`

snippets/wifi-p2p/snippet.yml

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+name: wifi-p2p
+append:
+  EXTRA_CONF_FILE: wifi-p2p.conf

snippets/wifi-p2p/wifi-p2p.conf

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+CONFIG_NRF70_P2P_MODE=y
+CONFIG_WIFI_NM_WPA_SUPPLICANT_P2P=y
+CONFIG_WPA_CLI=y
+CONFIG_WIFI_NM_WPA_SUPPLICANT_LOG_LEVEL_INF=y
+CONFIG_LTO=y
+CONFIG_ISR_TABLES_LOCAL_DECLARATION=y