Fix .gitignore files to not ignore subdirectory matches

The previous used .gitignore files were mathing some files that
were actually already in the repository (e.g.,
hostapd/logwatch/hostapd). Avoid this by listing the conflicting
entries in the root directory .gitignore with full path.

.gitignore

@@ -1,3 +1,17 @@
 *.o
 *.d
 *~
+wpa_supplicant/eapol_test
+wpa_supplicant/preauth_test
+wpa_supplicant/wpa_cli
+wpa_supplicant/wpa_passphrase
+wpa_supplicant/wpa_supplicant
+wpa_supplicant/wpa_priv
+wpa_supplicant/wpa_gui/Makefile
+wpa_supplicant/wpa_gui/wpa_gui
+wpa_supplicant/wpa_gui-qt4/Makefile
+wpa_supplicant/wpa_gui-qt4/wpa_gui
+hostapd/hostapd
+hostapd/hostapd_cli
+hostapd/hlr_auc_gw
+hostapd/nt_password_hash

hostapd/.gitignore

@@ -1,7 +0,0 @@
-*.d
-.config
-driver_conf.c
-hostapd
-hostapd_cli
-hlr_auc_gw
-nt_password_hash

wpa_supplicant/.gitignore

@@ -1,8 +1 @@
-*.d
 .config
-eapol_test
-preauth_test
-wpa_cli
-wpa_passphrase
-wpa_supplicant
-wpa_priv

wpa_supplicant/wpa_gui-qt4/.gitignore

@@ -1,6 +1,4 @@
 .moc
 .obj
 .ui
-Makefile
-wpa_gui
 qrc_icons.cpp

wpa_supplicant/wpa_gui/.gitignore

@@ -1,5 +1,3 @@
 .moc
 .obj
 .ui
-Makefile
-wpa_gui