[bsp] update gcc nocache section

bsp/imxrt1052-evk/Libraries/gcc/MIMXRT1052xxxxx_flexspi_nor.ld

@@ -218,14 +218,14 @@ SECTIONS
     *(NonCacheable.init)
     . = ALIGN(4);
     __noncachedata_init_end__ = .;   /* create a global symbol at initialized ncache data end */
-  } > m_dtcm
+  } > m_nocache
   . = __noncachedata_init_end__;
   .ncache :
   {
     *(NonCacheable)
     . = ALIGN(4);
     __noncachedata_end__ = .;     /* define a global symbol at ncache data end */
-  } > m_dtcm
+  } > m_nocache
 
   __DATA_END = __NDATA_ROM + (__noncachedata_init_end__ - __noncachedata_start__);
   text_end = ORIGIN(m_text) + LENGTH(m_text);