hal: gd32e10x: get HXTAL_VALUE from KCONFIG.

get HXTAL_VALUE from `CONFIG_GD32_HXTAL_VALUE`


Signed-off-by: YuLong Yao <[email protected]>

Author: feilongfl

gd32e10x/cmsis/gd/gd32e10x/include/gd32e10x.h

@@ -57,7 +57,15 @@ OF SUCH DAMAGE.
   #define HXTAL_VALUE    ((uint32_t)25000000) /*!< value of the external oscillator in Hz */
   #define HXTAL_VALUE_25M  HXTAL_VALUE
   #else
-  #error "Please select the target board type used in your application (in gd32e10x.h file)"
+    /* get external oscillator from KCONFIG */
+    #define HXTAL_VALUE CONFIG_GD32_HXTAL_VALUE
+    #if HXTAL_VALUE == 8000000
+      #define HXTAL_VALUE_8M  HXTAL_VALUE
+    #elif HXTAL_VALUE == 25000000
+      #define HXTAL_VALUE_25M  HXTAL_VALUE
+    #else
+      #error "GD32E10X lib only support 8M and 25M oscillator (HXTAL)"
+    #endif
   #endif
 #endif /* high speed crystal oscillator value */