fix: Add #[avr_skip] for __addsf3 & __adddf3

Patryk27 · Patryk27 · commit 583798948c7d · 2024-05-04T15:30:43.000+02:00
It looks like I've forgotten about them [back in 2023](#527).
diff --git a/src/float/add.rs b/src/float/add.rs
@@ -189,12 +189,14 @@ where
 }
 
 intrinsics! {
+    #[avr_skip]
     #[aapcs_on_arm]
     #[arm_aeabi_alias = __aeabi_fadd]
     pub extern "C" fn __addsf3(a: f32, b: f32) -> f32 {
         add(a, b)
     }
 
+    #[avr_skip]
     #[aapcs_on_arm]
     #[arm_aeabi_alias = __aeabi_dadd]
     pub extern "C" fn __adddf3(a: f64, b: f64) -> f64 {
