add p1 to vendorsetup.sh (OG Galaxy Tab)

Device trees
p1 : https://github.com/sgt7/android_device_samsung_p1 (GSM)
p1c : https://github.com/sgt7/android_device_samsung_p1c (CDMA)
p1-common : https://github.com/sgt7/android_device_samsung_p1-common (common tree)

Kernel
p1 : https://github.com/sgt7/android_kernel_samsung_p1 (GSM & LTN)
p1c : https://github.com/jt1134/android_kernel_samsung_galaxytab-cdma (CDMA)

Going to merge the CDMA specific code into the GSM kernel soon

P1C review here : http://review.cyanogenmod.com/#change,13571

Change-Id: I2c63b079a05a7c4c39b2f3503c8a9e75e9dd26d9
diff --git a/vendorsetup.sh b/vendorsetup.sh
index 911f02d..a203cf0 100644
--- a/vendorsetup.sh
+++ b/vendorsetup.sh
@@ -13,6 +13,7 @@
 add_lunch_combo cm_iyokan-userdebug
 add_lunch_combo cm_mango-userdebug
 add_lunch_combo cm_maguro-userdebug
+add_lunch_combo cm_p1-userdebug
 add_lunch_combo cm_p4tmo-userdebug
 add_lunch_combo cm_p4vzw-userdebug
 add_lunch_combo cm_p4wifi-userdebug