chore(libcard10): Move SPI_SPEED into header

Signed-off-by: Rahix <rahix@rahix.de>

lib/card10/card10.c

+#include "card10.h"
 #include "pmic.h"
 #include "bosch.h"
 #include "display.h"
@@ -24,8 +25,6 @@
 #include <stdint.h>
 #include <string.h>
 
-#define SPI_SPEED (15 * 1000 * 1000) // Bit Rate
-
 const gpio_cfg_t bhi_interrupt_pin = {
 	PORT_0, PIN_13, GPIO_FUNC_IN, GPIO_PAD_PULL_UP
 };

lib/card10/card10.h

@@ -4,6 +4,8 @@
 
 #include <stdint.h>
 
+#define SPI_SPEED (15 * 1000 * 1000) // Bit Rate
+
 extern const gpio_cfg_t bhi_interrupt_pin;
 
 void card10_init(void);