Update .clang-format and apply

Update .clang-format for LLVM 14.0, available on Ubuntu 22.04.

There is still plenty that clang-format sucks at or does wrong, so
either add some more blocks to disable it, or just put up with it.

Signed-off-by: Tim Crawford <tcrawford@system76.com>

src/board/arduino/uno/i2c.c

@@ -7,6 +7,6 @@
 
 void i2c_init(uint32_t baud) {
     TWAR = 0;
-    TWBR = (uint8_t)(((F_CPU / baud) - 16 ) / 2);
+    TWBR = (uint8_t)(((F_CPU / baud) - 16) / 2);
     TWCR = 0;
 }