Update cfg-if to 1.0

Author: jonas-schievink

nrf-hal-common/Cargo.toml

@@ -23,7 +23,7 @@ cortex-m = "0.6.2"
 nb = "1.0.0"
 fixed = "1.0.0"
 rand_core = "0.5.1"
-cfg-if = "0.1.10"
+cfg-if = "1.0.0"
 embedded-dma = "0.1.1"
 
 [dependencies.void]