[nrf fromlist] net: openthread: remove unneded Kconfig dependency

`OPENTHREAD_SHELL` does no longer dependend on
`OPENTHREAD_COPROCESSOR` being disabled.

Upstream PR: zephyrproject-rtos/zephyr#36401

Signed-off-by: Eduardo Montoya <[email protected]>

Author: edmont

subsys/net/l2/openthread/Kconfig

@@ -155,7 +155,6 @@ endmenu # "Zephyr optimizations"
 
 config OPENTHREAD_SHELL
 	bool "Enable OpenThread shell"
-	depends on !OPENTHREAD_COPROCESSOR
 	depends on SHELL
 	default y
 
@@ -221,6 +220,8 @@ config OPENTHREAD_COPROCESSOR
 	help
 	  Enable Co-Processor in OpenThread stack.
 
+if OPENTHREAD_COPROCESSOR
+
 choice
 	prompt "OpenThread Co-Processor type"
 	help
@@ -232,8 +233,6 @@ config OPENTHREAD_COPROCESSOR_RCP
 	bool "RCP - Radio Co-Processor"
 endchoice
 
-if OPENTHREAD_COPROCESSOR
-
 config OPENTHREAD_COPROCESSOR_SPINEL_ON_UART_DEV_NAME
 	string "UART device to use for Co-Processor SPINEL"
 	default "UART_0"