pinctrl: sh-pfc: Tidy up Emma Mobile EV2

It is "Emma Mobile EV2" not "AV2".
This patch tidies it up.
Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87lfi4y4re.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

drivers/pinctrl/sh-pfc/Kconfig

@@ -66,7 +66,7 @@ config PINCTRL_SH_FUNC_GPIO
 	  This enables legacy function GPIOs for SH platforms
 
 config PINCTRL_PFC_EMEV2
-	bool "Emma Mobile AV2 pin control support" if COMPILE_TEST
+	bool "Emma Mobile EV2 pin control support" if COMPILE_TEST
 
 config PINCTRL_PFC_R8A73A4
 	bool "R-Mobile APE6 pin control support" if COMPILE_TEST