[components][sfud] update sfud options.

components/drivers/Kconfig

@@ -224,6 +224,13 @@ config RT_USING_SPI
                 select RT_USING_QSPI
                 default n
 
+                config RT_SFUD_SPI_MAX_HZ
+                int "Default spi maximum speed(HZ)"
+                range 0 50000000
+                default 50000000
+                help
+                    Read the JEDEC SFDP command must run at 50 MHz or less,and you also can use rt_spi_configure(); to config spi speed.
+
                 config RT_DEBUG_SFUD
                 bool "Show more SFUD debug information"
                 default n

components/drivers/spi/spi_flash_sfud.c

@@ -22,12 +22,17 @@
 #endif /* RT_DEBUG_SFUD */
 
 #ifndef RT_SFUD_DEFAULT_SPI_CFG
+
+#ifndef RT_SFUD_SPI_MAX_HZ
+#define RT_SFUD_SPI_MAX_HZ 50000000
+#endif
+
 /* read the JEDEC SFDP command must run at 50 MHz or less */
 #define RT_SFUD_DEFAULT_SPI_CFG                  \
 {                                                \
     .mode = RT_SPI_MODE_0 | RT_SPI_MSB,          \
     .data_width = 8,                             \
-    .max_hz = 50 * 1000 * 1000,                  \
+    .max_hz = RT_SFUD_SPI_MAX_HZ,                \
 }
 #endif