[gcc r14-9253] AVR: Document valid ranges of -mfuse-add=

[Georg-Johann Lay]

https://gcc.gnu.org/g:270d0f69cffbfa81f61c5a6b7f7de2c5919703c7

commit r14-9253-g270d0f69cffbfa81f61c5a6b7f7de2c5919703c7
Author: Georg-Johann Lay <avr@gjlay.de>
Date:   Fri Mar 1 13:33:44 2024 +0100

    AVR: Document valid ranges of -mfuse-add=
    
    gcc/
            * doc/invoke.texi (AVR Options) <-mfuse-add=level>: Document
            valid values for level.

Diff:
---
 gcc/doc/invoke.texi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 7862c751801..dc5fd863ca4 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -23792,6 +23792,7 @@ subroutines.  Code size is smaller.
 Optimize indirect memory accesses on reduced Tiny devices.
 The default uses @code{@var{level}=1} for optimizations @option{-Og}
 and @option{-O1}, and @code{@var{level}=2} for higher optimizations.
+Valid values for @var{level} are @code{0}, @code{1} and @code{2}.
 
 @opindex mdouble
 @opindex mlong-double