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

CHANGELOG.mkdn

@@ -22,6 +22,7 @@ Maintainers (CyanogenMod 9):
 * Samsung Galaxy S II AT&T (SGH-I777): atinm, Andrew Dodd, codeworkx, coolya, GuiperPT, Unhelpful
 * Samsung Galaxy Tab 10.1: cyanogen, pershoot
 * Samsung Galaxy Tab 8.9: kallt_kaffe
+* Samsung Galaxy Tab 7: cdesai, humberos, jt1134
 * Samsung Vibrant (SGH-T959): FaultException
 * Sony Xperia Arc (LT15i): Bin4ry,defer,jerpelea (FreeXperia team)
 * Sony Xperia Neo (MT15i): Bin4ry,defer,jerpelea (FreeXperia team)

vendorsetup.sh

@@ -13,6 +13,7 @@ add_lunch_combo cm_i777-userdebug
 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