help text: replace [OPTIONS] with actual options (if not too long)

function                                             old     new   delta
packed_usage                                       33620   33665     +45

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

editors/patch.c

@@ -31,7 +31,7 @@
 //kbuild:lib-$(CONFIG_PATCH) += patch.o
 
 //usage:#define patch_trivial_usage
-//usage:       "[OPTIONS] [ORIGFILE [PATCHFILE]]"
+//usage:       "[-RNE] [-p N] [-i DIFF] [ORIGFILE [PATCHFILE]]"
 //usage:#define patch_full_usage "\n\n"
 //usage:       "	-p N	Strip N leading components from file names"
 //usage:     "\n	-i DIFF	Read DIFF instead of stdin"

editors/vi.c

@@ -166,7 +166,7 @@
 //kbuild:lib-$(CONFIG_VI) += vi.o
 
 //usage:#define vi_trivial_usage
-//usage:       "[OPTIONS] [FILE]..."
+//usage:       IF_FEATURE_VI_COLON("[-c CMD] ")IF_FEATURE_VI_READONLY("[-R] ")"[FILE]..."
 //usage:#define vi_full_usage "\n\n"
 //usage:       "Edit FILE\n"
 //usage:	IF_FEATURE_VI_COLON(