qemu-x86*_defconfig: Enable CONFIG_PCI_INIT_R

Enable CONFIG_PCI_INIT_R for qemux86 and qemux86-64 pci enumeration during
boot in order to eliminate the custom preboot commands in
include/configs/qemu-x86.h.
Signed-off-by: NOvidiu Panait <ovidiu.panait@windriver.com>

configs/qemu-x86_64_defconfig

@@ -34,6 +34,7 @@ CONFIG_SPL_NET_SUPPORT=y
 CONFIG_SPL_PCI=y
 CONFIG_SPL_PCH_SUPPORT=y
 CONFIG_SPL_RTC_SUPPORT=y
+CONFIG_PCI_INIT_R=y
 CONFIG_CMD_CPU=y
 CONFIG_CMD_BOOTEFI_SELFTEST=y
 CONFIG_CMD_NVEDIT_EFI=y

configs/qemu-x86_defconfig

@@ -18,6 +18,7 @@ CONFIG_BOOTARGS="root=/dev/sdb3 init=/sbin/init rootwait ro"
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_DISPLAY_BOARDINFO_LATE=y
 CONFIG_LAST_STAGE_INIT=y
+CONFIG_PCI_INIT_R=y
 CONFIG_CMD_CPU=y
 CONFIG_CMD_BOOTEFI_SELFTEST=y
 CONFIG_CMD_NVEDIT_EFI=y

include/configs/qemu-x86.h

@@ -22,8 +22,6 @@
 #include <config_distro_bootcmd.h>
 #include <configs/x86-common.h>
 
-#define CONFIG_PREBOOT "pci enum"
-
 #define CONFIG_SYS_MONITOR_LEN		(1 << 20)
 
 #define CONFIG_STD_DEVICES_SETTINGS	"stdin=serial,i8042-kbd\0" \