MIPS: ralink: deactivate PCI support for SOC_MT7621

The Linux does not support PCI on the SOC_MT7621, if it is selected the
Linux build runs into a compile error. Remove HAVE_PCI from the
SOC_MT7621 SoC.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: ralf@linux-mips.org
Cc: jhogan@kernel.org
Cc: john@phrozen.org
Cc: linux-mips@vger.kernel.org
diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig
index 49c22dd..1434fa6 100644
--- a/arch/mips/ralink/Kconfig
+++ b/arch/mips/ralink/Kconfig
@@ -51,7 +51,6 @@
 		select MIPS_GIC
 		select COMMON_CLK
 		select CLKSRC_MIPS_GIC
-		select HAVE_PCI
 endchoice
 
 choice