crypto: ccree - remove bogus paragraph about freeing SRAM

The SRAM allocator does not support deallocating memory.
Hence remove all references to freeing SRAM.

Fix grammar while at it.
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/ccree/cc_sram_mgr.c

@@ -50,9 +50,6 @@ int cc_sram_mgr_init(struct cc_drvdata *drvdata)
 
 /*!
  * Allocated buffer from SRAM pool.
- * Note: Caller is responsible to free the LAST allocated buffer.
- * This function does not taking care of any fragmentation may occur
- * by the order of calls to alloc/free.
  *
  * \param drvdata
  * \param size The requested bytes to allocate

drivers/crypto/ccree/cc_sram_mgr.h

@@ -30,10 +30,7 @@ typedef u64 cc_sram_addr_t;
 int cc_sram_mgr_init(struct cc_drvdata *drvdata);
 
 /*!
- * Allocated buffer from SRAM pool.
- * Note: Caller is responsible to free the LAST allocated buffer.
- * This function does not taking care of any fragmentation may occur
- * by the order of calls to alloc/free.
+ * Allocate buffer from SRAM pool.
  *
  * \param drvdata
  * \param size The requested bytes to allocate