rcc: typo: clarify that we're setting the selected clock.

It may or may not be the PLL clock.

Signed-off-by: Karl Palsson <[email protected]>

src/rcc/mod.rs

@@ -83,7 +83,7 @@ impl Rcc {
             })
         });
 
-        // Configure SYSCLK mux to use PLL clock
+        // Configure SYSCLK mux to use selected clock
         self.rb
             .cfgr
             .modify(|_r, w| unsafe { w.sw().bits(sysclk_bits) });