include: Fix missing c++ linkage header in spifs.h

Signed-off-by: Ajay Bhargav <[email protected]>

Author: ajaybhargav

include/hw/spi.h

@@ -7,9 +7,9 @@
 #define INCLUDE_HW_SPI_H_
 
 /**
- * Max supported Hardware SPI speed (default)
+ * Max supported Hardware SPI speed (default 10MHz)
  */
-#define SPI_MAX_SPEED	10000000U
+#define SPI_MAX_SPEED	32000000U
 
 /**
  * SPI Modes to configure clock polarity and clock phase.

include/spifs.h

@@ -17,6 +17,10 @@ enum sfstat_e {
 	SF_STAT_MOUNTED,   /**< SPI Flash enabled and filesystem is mounted successfully */
 };
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /**
  * Enable SPI Flash and mount LFS filesystem
  * @param gpio_cs		[in] GPIO number connected to SPI chip select
@@ -39,4 +43,8 @@ int spifs_disable(void);
  */
 int spifs_getstatus(void);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* INC_SPIFS_H_ */