lib: cosmetic update of CONFIG_LIB_ELF description

Change 2 typo error in CONFIG_LIB_ELF description:
- Supoort => Support
- fir => for
Signed-off-by: NPatrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: NSimon Glass <sjg@chromium.org>

lib/Kconfig

@@ -695,8 +695,8 @@ config LIB_DATE
 config LIB_ELF
 	bool
 	help
-	  Supoort basic elf loading/validating functions.
-	  This supports fir 32 bit and 64 bit versions.
+	  Support basic elf loading/validating functions.
+	  This supports for 32 bit and 64 bit versions.
 
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