ar7: platform has *no* PCI support, override CONFIG_PCI default

SVN-Revision: 20126

target/linux/ar7/config-2.6.32

@@ -106,6 +106,7 @@ CONFIG_NO_EXCEPT_FILL=y
 # CONFIG_NXP_STB220 is not set
 # CONFIG_NXP_STB225 is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
+# CONFIG_PCI is not set
 CONFIG_PHYLIB=y
 # CONFIG_PMC_MSP is not set
 # CONFIG_PMC_YOSEMITE is not set