menuconfig: add u, d, q command keys in text boxes

They function just like they do in less(1).

Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Signed-off-by: Michal Marek <mmarek@suse.cz>
diff --git a/scripts/kconfig/lxdialog/textbox.c b/scripts/kconfig/lxdialog/textbox.c
index 154c2dd..4e5de60 100644
--- a/scripts/kconfig/lxdialog/textbox.c
+++ b/scripts/kconfig/lxdialog/textbox.c
@@ -129,6 +129,7 @@
 		case 'e':
 		case 'X':
 		case 'x':
+		case 'q':
 			delwin(box);
 			delwin(dialog);
 			return 0;
@@ -190,6 +191,7 @@
 			break;
 		case 'B':	/* Previous page */
 		case 'b':
+		case 'u':
 		case KEY_PPAGE:
 			if (begin_reached)
 				break;
@@ -214,6 +216,7 @@
 			break;
 		case KEY_NPAGE:	/* Next page */
 		case ' ':
+		case 'd':
 			if (end_reached)
 				break;
 
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index f606738..f584a28 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -105,10 +105,10 @@
 "Text Box    (Help Window)\n"
 "--------\n"
 "o  Use the cursor keys to scroll up/down/left/right.  The VI editor\n"
-"   keys h,j,k,l function here as do <SPACE BAR> and <B> for those\n"
-"   who are familiar with less and lynx.\n"
+"   keys h,j,k,l function here as do <u>, <d>, <SPACE BAR> and <B> for \n"
+"   those who are familiar with less and lynx.\n"
 "\n"
-"o  Press <E>, <X>, <Enter> or <Esc><Esc> to exit.\n"
+"o  Press <E>, <X>, <q>, <Enter> or <Esc><Esc> to exit.\n"
 "\n"
 "\n"
 "Alternate Configuration Files\n"